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Merge tag 'media/v5.1-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media
Pull media updates from Mauro Carvalho Chehab:
- remove sensor drivers that got converted from soc_camera
- remaining soc_camera drivers got moved to staging
- some documentation cleanups and improvements
- the imx staging driver now supports imx7
- the ov9640, mt9m001 and mt9m111 got converted from soc_camera
- the vim2m driver now does what a m2m convert driver expects to do
- epoll() fixes on media subsystems
- several drivers fixes, typos, cleanups and improvements
* tag 'media/v5.1-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (346 commits)
media: dvb/earth-pt1: fix wrong initialization for demod blocks
media: vim2m: Address some coding style issues
media: vim2m: don't use BUG()
media: vim2m: speedup passthrough copy
media: vim2m: add an horizontal scaler
media: vim2m: don't accept YUYV anymore as output format
media: vim2m: add vertical linear scaler
media: vim2m: better handle cap/out buffers with different sizes
media: vim2m: use different framesizes for bayer formats
media: vim2m: add support for VIDIOC_ENUM_FRAMESIZES
media: vim2m: ensure that width is multiple of two
media: vim2m: improve debug messages
media: vim2m: add bayer capture formats
media: a few more typos at staging, pci, platform, radio and usb
media: Documentation: fix several typos
media: staging: fix several typos
media: include: fix several typos
media: common: fix several typos
media: v4l2-core: fix several typos
media: usb: fix several typos
...
Pull perf updates from Ingo Molnar:
"Lots of tooling updates - too many to list, here's a few highlights:
- Various subcommand updates to 'perf trace', 'perf report', 'perf
record', 'perf annotate', 'perf script', 'perf test', etc.
- CPU and NUMA topology and affinity handling improvements,
- HW tracing and HW support updates:
- Intel PT updates
- ARM CoreSight updates
- vendor HW event updates
- BPF updates
- Tons of infrastructure updates, both on the build system and the
library support side
- Documentation updates.
- ... and lots of other changes, see the changelog for details.
Kernel side updates:
- Tighten up kprobes blacklist handling, reduce the number of places
where developers can install a kprobe and hang/crash the system.
- Fix/enhance vma address filter handling.
- Various PMU driver updates, small fixes and additions.
- refcount_t conversions
- BPF updates
- error code propagation enhancements
- misc other changes"
* 'perf-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (238 commits)
perf script python: Add Python3 support to syscall-counts-by-pid.py
perf script python: Add Python3 support to syscall-counts.py
perf script python: Add Python3 support to stat-cpi.py
perf script python: Add Python3 support to stackcollapse.py
perf script python: Add Python3 support to sctop.py
perf script python: Add Python3 support to powerpc-hcalls.py
perf script python: Add Python3 support to net_dropmonitor.py
perf script python: Add Python3 support to mem-phys-addr.py
perf script python: Add Python3 support to failed-syscalls-by-pid.py
perf script python: Add Python3 support to netdev-times.py
perf tools: Add perf_exe() helper to find perf binary
perf script: Handle missing fields with -F +..
perf data: Add perf_data__open_dir_data function
perf data: Add perf_data__(create_dir|close_dir) functions
perf data: Fail check_backup in case of error
perf data: Make check_backup work over directories
perf tools: Add rm_rf_perf_data function
perf tools: Add pattern name checking to rm_rf
perf tools: Add depth checking to rm_rf
perf data: Add global path holder
...
Pull x86/pti update from Thomas Gleixner:
"Just a single change from the anti-performance departement:
- Add a new PR_SPEC_DISABLE_NOEXEC option which allows to apply the
speculation protections on a process without inheriting the state
on exec.
This remedies a situation where a Java-launcher has speculation
protections enabled because that's the default for JVMs which
causes the launched regular harmless processes to inherit the
protection state which results in unintended performance
degradation"
* 'x86-pti-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/speculation: Add PR_SPEC_DISABLE_NOEXEC
This patch syncs the uapi bpf.h to tools/ and also updates
bpf_herlpers.h in tools/
Signed-off-by: Lawrence Brakmo <brakmo@fb.com>
Acked-by: Song Liu <songliubraving@fb.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
This commit adds AF_XDP support to libbpf. The main reason for this is
to facilitate writing applications that use AF_XDP by offering
higher-level APIs that hide many of the details of the AF_XDP
uapi. This is in the same vein as libbpf facilitates XDP adoption by
offering easy-to-use higher level interfaces of XDP
functionality. Hopefully this will facilitate adoption of AF_XDP, make
applications using it simpler and smaller, and finally also make it
possible for applications to benefit from optimizations in the AF_XDP
user space access code. Previously, people just copied and pasted the
code from the sample application into their application, which is not
desirable.
The interface is composed of two parts:
* Low-level access interface to the four rings and the packet
* High-level control plane interface for creating and setting
up umems and af_xdp sockets as well as a simple XDP program.
Tested-by: Björn Töpel <bjorn.topel@intel.com>
Signed-off-by: Magnus Karlsson <magnus.karlsson@intel.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
media: add support for RCMM infrared remote controls.
Signed-off-by: Patrick Lerda <patrick9876@free.fr>
Signed-off-by: Sean Young <sean@mess.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Alexei Starovoitov says:
====================
pull-request: bpf-next 2019-02-16
The following pull-request contains BPF updates for your *net-next* tree.
The main changes are:
1) numerous libbpf API improvements, from Andrii, Andrey, Yonghong.
2) test all bpf progs in alu32 mode, from Jiong.
3) skb->sk access and bpf_sk_fullsock(), bpf_tcp_sock() helpers, from Martin.
4) support for IP encap in lwt bpf progs, from Peter.
5) remove XDP_QUERY_XSK_UMEM dead code, from Jan.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
The netfilter conflicts were rather simple overlapping
changes.
However, the cls_tcindex.c stuff was a bit more complex.
On the 'net' side, Cong is fixing several races and memory
leaks. Whilst on the 'net-next' side we have Vlad adding
the rtnl-ness support.
What I've decided to do, in order to resolve this, is revert the
conversion over to using a workqueue that Cong did, bringing us back
to pure RCU. I did it this way because I believe that either Cong's
races don't apply with have Vlad did things, or Cong will have to
implement the race fix slightly differently.
Signed-off-by: David S. Miller <davem@davemloft.net>
Syncing if_link.h that got out of sync.
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
Acked-by: Martin KaFai Lau <kafai@fb.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
This patch copies changes in bpf.h done by a previous patch
in this patchset from the kernel uapi include dir into tools
uapi include dir.
Signed-off-by: Peter Oskolkov <posk@google.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
This patch sync the uapi bpf.h to tools/.
Acked-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: Martin KaFai Lau <kafai@fb.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Move all the TC identifiers to one place, to the same enum that defines
the identifier of police action. This makes it easier choose numbers for
new actions since they are now defined in one place. We preserve the
original values for binary compatibility. New IDs should be added inside
the enum.
Signed-off-by: Eli Cohen <eli@mellanox.com>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
To get the changes in this cset:
f275ee0fa3 ("IN_BADCLASS: fix macro to actually work")
The macros changed in this cset are not used in tools/, so this is just
to silence this perf tools build warning:
Warning: Kernel ABI header at 'tools/include/uapi/linux/in.h' differs from latest version at 'include/uapi/linux/in.h'
diff -u tools/include/uapi/linux/in.h include/uapi/linux/in.h
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David S. Miller <davem@davemloft.net>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Link: https://lkml.kernel.org/n/tip-xbk34kwamn8bw8ywpuxetct9@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
With the default SPEC_STORE_BYPASS_SECCOMP/SPEC_STORE_BYPASS_PRCTL mode,
the TIF_SSBD bit will be inherited when a new task is fork'ed or cloned.
It will also remain when a new program is execve'ed.
Only certain class of applications (like Java) that can run on behalf of
multiple users on a single thread will require disabling speculative store
bypass for security purposes. Those applications will call prctl(2) at
startup time to disable SSB. They won't rely on the fact the SSB might have
been disabled. Other applications that don't need SSBD will just move on
without checking if SSBD has been turned on or not.
The fact that the TIF_SSBD is inherited across execve(2) boundary will
cause performance of applications that don't need SSBD but their
predecessors have SSBD on to be unwittingly impacted especially if they
write to memory a lot.
To remedy this problem, a new PR_SPEC_DISABLE_NOEXEC argument for the
PR_SET_SPECULATION_CTRL option of prctl(2) is added to allow applications
to specify that the SSBD feature bit on the task structure should be
cleared whenever a new program is being execve'ed.
Suggested-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Waiman Long <longman@redhat.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: linux-doc@vger.kernel.org
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: David Woodhouse <dwmw@amazon.co.uk>
Cc: Jiri Kosina <jikos@kernel.org>
Cc: Josh Poimboeuf <jpoimboe@redhat.com>
Cc: Tim Chen <tim.c.chen@linux.intel.com>
Cc: KarimAllah Ahmed <karahmed@amazon.de>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Link: https://lkml.kernel.org/r/1547676096-3281-1-git-send-email-longman@redhat.com
Daniel Borkmann says:
====================
pull-request: bpf-next 2019-01-29
The following pull-request contains BPF updates for your *net-next* tree.
The main changes are:
1) Teach verifier dead code removal, this also allows for optimizing /
removing conditional branches around dead code and to shrink the
resulting image. Code store constrained architectures like nfp would
have hard time doing this at JIT level, from Jakub.
2) Add JMP32 instructions to BPF ISA in order to allow for optimizing
code generation for 32-bit sub-registers. Evaluation shows that this
can result in code reduction of ~5-20% compared to 64 bit-only code
generation. Also add implementation for most JITs, from Jiong.
3) Add support for __int128 types in BTF which is also needed for
vmlinux's BTF conversion to work, from Yonghong.
4) Add a new command to bpftool in order to dump a list of BPF-related
parameters from the system or for a specific network device e.g. in
terms of available prog/map types or helper functions, from Quentin.
5) Add AF_XDP sock_diag interface for querying sockets from user
space which provides information about the RX/TX/fill/completion
rings, umem, memory usage etc, from Björn.
6) Add skb context access for skb_shared_info->gso_segs field, from Eric.
7) Add support for testing flow dissector BPF programs by extending
existing BPF_PROG_TEST_RUN infrastructure, from Stanislav.
8) Split BPF kselftest's test_verifier into various subgroups of tests
in order better deal with merge conflicts in this area, from Jakub.
9) Add support for queue/stack manipulations in bpftool, from Stanislav.
10) Document BTF, from Yonghong.
11) Dump supported ELF section names in libbpf on program load
failure, from Taeung.
12) Silence a false positive compiler warning in verifier's BTF
handling, from Peter.
13) Fix help string in bpftool's feature probing, from Prashant.
14) Remove duplicate includes in BPF kselftests, from Yue.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
The new eBPF instruction class JMP32 uses the reserved class number 0x6.
Kernel BPF ISA documentation updated accordingly.
Reviewed-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: Jiong Wang <jiong.wang@netronome.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
This adds the ability to read gso_segs from a BPF program.
v3: Use BPF_REG_AX instead of BPF_REG_TMP for the temporary register,
as suggested by Martin.
v2: refined Eddie Hao patch to address Alexei feedback.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Eddie Hao <eddieh@google.com>
Cc: Martin KaFai Lau <kafai@fb.com>
Acked-by: Martin KaFai Lau <kafai@fb.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Now that perf_flags is not used we remove it.
Signed-off-by: Andrew Murray <andrew.murray@arm.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: Arnaldo Carvalho de Melo <acme@kernel.org>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Ivan Kokshaysky <ink@jurassic.park.msu.ru>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Matt Turner <mattst88@gmail.com>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Richard Henderson <rth@twiddle.net>
Cc: Russell King <linux@armlinux.org.uk>
Cc: Sascha Hauer <s.hauer@pengutronix.de>
Cc: Shawn Guo <shawnguo@kernel.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Will Deacon <will.deacon@arm.com>
Cc: linux-arm-kernel@lists.infradead.org
Cc: linuxppc-dev@lists.ozlabs.org
Cc: robin.murphy@arm.com
Cc: suzuki.poulose@arm.com
Link: https://lkml.kernel.org/r/1547128414-50693-13-git-send-email-andrew.murray@arm.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Dan reported that bpftool does not compile for him:
$ make tools/bpf
DESCEND bpf
Auto-detecting system features:
.. libbfd: [ on ]
.. disassembler-four-args: [ OFF ]
DESCEND bpftool
Auto-detecting system features:
.. libbfd: [ on ]
.. disassembler-four-args: [ OFF ]
CC /opt/linux.git/tools/bpf/bpftool/net.o
In file included from /opt/linux.git/tools/include/uapi/linux/pkt_cls.h:6:0,
from /opt/linux.git/tools/include/uapi/linux/tc_act/tc_bpf.h:14,
from net.c:13:
net.c: In function 'show_dev_tc_bpf':
net.c:164:21: error: 'TC_H_CLSACT' undeclared (first use in this function)
handle = TC_H_MAKE(TC_H_CLSACT, TC_H_MIN_INGRESS);
[...]
Fix it by importing pkt_sched.h header copy into tooling
infrastructure.
Fixes: 49a249c387 ("tools/bpftool: copy a few net uapi headers to tools directory")
Fixes: f6f3bac08f ("tools/bpf: bpftool: add net support")
Reported-by: Dan Gilson <dan_gilson@yahoo.com>
Reference: https://bugzilla.kernel.org/show_bug.cgi?id=202315
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Martin KaFai Lau <kafai@fb.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Pull perf tooling updates from Ingo Molnar:
"Tooling changes only: fixes and a few stray improvements.
Most of the diffstat is dominated by a PowerPC related fix of system
call trace output beautification that allows us to (again) use the
UAPI header version and sync up with the kernel's version of PowerPC
system call names in the arch/powerpc/kernel/syscalls/syscall.tbl
header"
* 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (36 commits)
tools headers powerpc: Remove unistd.h
perf powerpc: Rework syscall table generation
perf symbols: Add 'arch_cpu_idle' to the list of kernel idle symbols
tools include uapi: Sync linux/if_link.h copy with the kernel sources
tools include uapi: Sync linux/vhost.h with the kernel sources
tools include uapi: Sync linux/fs.h copy with the kernel sources
perf beauty: Switch from using uapi/linux/fs.h to uapi/linux/mount.h
tools include uapi: Grab a copy of linux/mount.h
perf top: Lift restriction on using callchains without "sym" in --sort
tools lib traceevent: Remove tep_data_event_from_type() API
tools lib traceevent: Rename tep_is_file_bigendian() to tep_file_bigendian()
tools lib traceevent: Changed return logic of tep_register_event_handler() API
tools lib traceevent: Changed return logic of trace_seq_printf() and trace_seq_vprintf() APIs
tools lib traceevent: Rename struct cmdline to struct tep_cmdline
tools lib traceevent: Initialize host_bigendian at tep_handle allocation
tools lib traceevent: Introduce new libtracevent API: tep_override_comm()
perf tests: Add a test for the ARM 32-bit [vectors] page
perf tools: Make find_vdso_map() more modular
perf trace: Fix alignment for [continued] lines
perf trace: Fix ')' placement in "interrupted" syscall lines
...
To pick the changes from:
a428afe82f ("net: bridge: add support for user-controlled bool options")
a025fb5f49 ("geneve: Allow configuration of DF behaviour")
b4d3069783 ("vxlan: Allow configuration of DF behaviour")
Silencing this tools/ build warning:
Warning: Kernel ABI header at 'tools/include/uapi/linux/if_link.h' differs from latest version at 'include/uapi/linux/if_link.h'
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David S. Miller <davem@davemloft.net>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Nikolay Aleksandrov <nikolay@cumulusnetworks.com>
Cc: Stefano Brivio <sbrivio@redhat.com>
Link: https://lkml.kernel.org/n/tip-wq410s2wuqv5k980bidw0ju8@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
To get the changes in:
4b86713236 ("vhost: split structs into a separate header file")
Silencing this perf build warning:
Warning: Kernel ABI header at 'tools/include/uapi/linux/vhost.h' differs from latest version at 'include/uapi/linux/vhost.h'
diff -u tools/include/uapi/linux/vhost.h include/uapi/linux/vhost.h
Those didn't touch things used in tools, i.e. the following continues
working:
$ tools/perf/trace/beauty/vhost_virtio_ioctl.sh
static const char *vhost_virtio_ioctl_cmds[] = {
[0x00] = "SET_FEATURES",
[0x01] = "SET_OWNER",
[0x02] = "RESET_OWNER",
[0x03] = "SET_MEM_TABLE",
[0x04] = "SET_LOG_BASE",
[0x07] = "SET_LOG_FD",
[0x10] = "SET_VRING_NUM",
[0x11] = "SET_VRING_ADDR",
[0x12] = "SET_VRING_BASE",
[0x13] = "SET_VRING_ENDIAN",
[0x14] = "GET_VRING_ENDIAN",
[0x20] = "SET_VRING_KICK",
[0x21] = "SET_VRING_CALL",
[0x22] = "SET_VRING_ERR",
[0x23] = "SET_VRING_BUSYLOOP_TIMEOUT",
[0x24] = "GET_VRING_BUSYLOOP_TIMEOUT",
[0x25] = "SET_BACKEND_FEATURES",
[0x30] = "NET_SET_BACKEND",
[0x40] = "SCSI_SET_ENDPOINT",
[0x41] = "SCSI_CLEAR_ENDPOINT",
[0x42] = "SCSI_GET_ABI_VERSION",
[0x43] = "SCSI_SET_EVENTS_MISSED",
[0x44] = "SCSI_GET_EVENTS_MISSED",
[0x60] = "VSOCK_SET_GUEST_CID",
[0x61] = "VSOCK_SET_RUNNING",
};
static const char *vhost_virtio_ioctl_read_cmds[] = {
[0x00] = "GET_FEATURES",
[0x12] = "GET_VRING_BASE",
[0x26] = "GET_BACKEND_FEATURES",
};
$
At some point in the eBPFication of perf, using something like:
# perf trace -e ioctl(cmd=VHOST_VRING*)
Will setup a BPF filter right at the raw_syscalls:sys_enter tracepoint,
i.e. filtering at the origin.
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Luis Cláudio Gonçalves <lclaudio@redhat.com>
Cc: Michael S. Tsirkin <mst@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Wang Nan <wangnan0@huawei.com>
Link: https://lkml.kernel.org/n/tip-g28usrt7l59lwq3wuh8vzbig@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
To get the changes in:
e262e32d6b ("vfs: Suppress MS_* flag defs within the kernel unless explicitly enabled")
That made the mount flags string table generator to switch to using
mount.h instead.
This silences the following perf build warning:
Warning: Kernel ABI header at 'tools/include/uapi/linux/fs.h' differs from latest version at 'include/uapi/linux/fs.h'
diff -u tools/include/uapi/linux/fs.h include/uapi/linux/fs.h
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Howells <dhowells@redhat.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Luis Cláudio Gonçalves <lclaudio@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: https://lkml.kernel.org/n/tip-mosz81pa6iwxko4p2owbm3ss@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
We were using a copy of uapi/linux/fs.h to create the mount syscall
'flags' string table to use in 'perf trace', to convert from the number
obtained via the raw_syscalls:sys_enter into a string, using
tools/perf/trace/beauty/mount_flags.sh, but in e262e32d6b ("vfs:
Suppress MS_* flag defs within the kernel unless explicitly enabled")
those defines got moved to linux/mount.h, so grab a copy of mount.h too.
Keep the uapi/linux/fs.h as we'll use it for the SEEK_ constants.
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Howells <dhowells@redhat.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Luis Cláudio Gonçalves <lclaudio@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: https://lkml.kernel.org/n/tip-i2ricmpwpdrpukfq3298jr1z@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
perf annotate:
Ivan Krylov:
- Pass filename to objdump via execl, fixing usage with filenames
with special characters.
perf report:
Jin Yao:
Fix wrong iteration count in --branch-history
perf stat:
Jin Yao:
- Fix endless wait for child process
perf test:
Arnaldo Carvalho de Melo:
- Use a fallback to get the pathname in vfs_getname in
tools build:
Jiri Olsa:
- Allow overriding CFLAGS assignments.
Misc:
Arnaldo Carvalho de Melo:
- Syncronize UAPI headers
Mattias Jacobsson:
- Remove redundant va_end() in strbuf_addv()
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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Merge tag 'perf-core-for-mingo-4.21-20190104' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux into perf/urgent
Pull perf/core improvements and fixes from Arnaldo Carvalho de Melo:
perf annotate:
Ivan Krylov:
- Pass filename to objdump via execl, fixing usage with filenames
with special characters.
perf report:
Jin Yao:
Fix wrong iteration count in --branch-history
perf stat:
Jin Yao:
- Fix endless wait for child process
perf test:
Arnaldo Carvalho de Melo:
- Use a fallback to get the pathname in vfs_getname in
tools build:
Jiri Olsa:
- Allow overriding CFLAGS assignments.
Misc:
Arnaldo Carvalho de Melo:
- Syncronize UAPI headers
Mattias Jacobsson:
- Remove redundant va_end() in strbuf_addv()
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
The BPF library is not built on 64-bit RISC-V, as the BPF feature is
not detected. Looking more in details, feature/test-bpf.c fails to build
with the following error:
| In file included from /tmp/linux-4.19.12/tools/include/uapi/asm/bitsperlong.h:17,
| from /tmp/linux-4.19.12/tools/include/uapi/asm-generic/unistd.h:2,
| from /usr/include/riscv64-linux-gnu/asm/unistd.h:1,
| from test-bpf.c:2:
| /tmp/linux-4.19.12/tools/include/asm-generic/bitsperlong.h:14:2: error: #error Inconsistent word size. Check asm/bitsperlong.h
| #error Inconsistent word size. Check asm/bitsperlong.h
| ^~~~~
The UAPI from the tools directory is missing RISC-V support, therefore
bitsperlong.h from asm-generic is used, defaulting to 32 bits.
Fix that by adding tools/arch/riscv/include/uapi/asm/bitsperlong.h as
a copy of arch/riscv/include/uapi/asm/bitsperlong.h and by updating
tools/include/uapi/asm/bitsperlong.h.
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
Signed-off-by: Palmer Dabbelt <palmer@sifive.com>
Pull perf tooling updates form Ingo Molnar:
"A final batch of perf tooling changes: mostly fixes and small
improvements"
* 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (29 commits)
perf session: Add comment for perf_session__register_idle_thread()
perf thread-stack: Fix thread stack processing for the idle task
perf thread-stack: Allocate an array of thread stacks
perf thread-stack: Factor out thread_stack__init()
perf thread-stack: Allow for a thread stack array
perf thread-stack: Avoid direct reference to the thread's stack
perf thread-stack: Tidy thread_stack__bottom() usage
perf thread-stack: Simplify some code in thread_stack__process()
tools gpio: Allow overriding CFLAGS
tools power turbostat: Override CFLAGS assignments and add LDFLAGS to build command
tools thermal tmon: Allow overriding CFLAGS assignments
tools power x86_energy_perf_policy: Override CFLAGS assignments and add LDFLAGS to build command
perf c2c: Increase the HITM ratio limit for displayed cachelines
perf c2c: Change the default coalesce setup
perf trace beauty ioctl: Beautify USBDEVFS_ commands
perf trace beauty: Export function to get the files for a thread
perf trace: Wire up ioctl's USBDEBFS_ cmd table generator
perf beauty ioctl: Add generator for USBDEVFS_ ioctl commands
tools headers uapi: Grab a copy of usbdevice_fs.h
perf trace: Store the major number for a file when storing its pathname
...
To get the changes in:
b7d624ab43 asm-generic: unistd.h: fixup broken macro include.
4e21565b7f asm-generic: add kexec_file_load system call to unistd.h
With this the 'kexec_file_load' syscall will be added to arm64's syscall
table and will appear on the output of 'perf trace' on that platform.
This silences this tools/perf build warning:
Warning: Kernel ABI header at 'tools/include/uapi/asm-generic/unistd.h' differs from latest version at 'include/uapi/asm-generic/unistd.h'
diff -u tools/include/uapi/asm-generic/unistd.h include/uapi/asm-generic/unistd.h
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: AKASHI Takahiro <takahiro.akashi@linaro.org>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Guo Ren <ren_guo@c-sky.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Will Deacon <will.deacon@arm.com>
Link: https://lkml.kernel.org/n/tip-er8j7qhavtdw0kdga3zswynm@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
To get the changes from these csets:
2bc39970e9 ("x86/kvm/hyper-v: Introduce KVM_GET_SUPPORTED_HV_CPUID")
2a31b9db15 ("kvm: introduce manual dirty log reprotect")
That results in these new KVM IOCTLs being supported in 'perf trace'
when beautifying the cmd ioctl syscall argument:
$ cp include/uapi/linux/kvm.h tools/include/uapi/linux/kvm.h
$ tools/perf/trace/beauty/kvm_ioctl.sh > after
$ diff -u before after
--- before 2019-01-04 11:44:23.506605301 -0300
+++ after 2019-01-04 11:44:36.878730583 -0300
@@ -86,6 +86,8 @@
[0xbd] = "HYPERV_EVENTFD",
[0xbe] = "GET_NESTED_STATE",
[0xbf] = "SET_NESTED_STATE",
+ [0xc0] = "CLEAR_DIRTY_LOG",
+ [0xc1] = "GET_SUPPORTED_HV_CPUID",
[0xe0] = "CREATE_DEVICE",
[0xe1] = "SET_DEVICE_ATTR",
[0xe2] = "GET_DEVICE_ATTR",
$
At some point we should be able to do something:
# perf trace -e ioctl(cmd == KVM_CLEAR_DIRTY_LOG)
And have just those ioctls, optionally with callchains, etc.
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Vitaly Kuznetsov <vkuznets@redhat.com>
Link: https://lkml.kernel.org/n/tip-konm3iigl2os6ritt7d2bori@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
To get the changes in this cset:
65cab850f0 ("net: Allow class-e address assignment via ifconfig ioctl")
The macros changed in this cset are not used in tools/, so this is just
to silence this perf tools build warning:
Warning: Kernel ABI header at 'tools/include/uapi/linux/in.h' differs from latest version at 'include/uapi/linux/in.h'
diff -u tools/include/uapi/linux/in.h include/uapi/linux/in.h
Cc: Dave Taht <dave.taht@gmail.com>
Cc: David S. Miller <davem@davemloft.net>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Link: https://lkml.kernel.org/n/tip-smghvyxb3budqd1e70i0ylw1@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
To get the changes in these csets:
fe84168647 Revert "drm/i915/perf: add a parameter to control the size of OA buffer"
cd956bfcd0 drm/i915/perf: add a parameter to control the size of OA buffer
4bdafb9ddf drm/i915: Remove i915.enable_ppgtt override
Not one of them result in any changes in tools/perf/, this is just to
silence this perf build warning:
Warning: Kernel ABI header at 'tools/include/uapi/drm/i915_drm.h' differs from latest version at 'include/uapi/drm/i915_drm.h'
diff -u tools/include/uapi/drm/i915_drm.h include/uapi/drm/i915_drm.h
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Cc: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Link: https://lkml.kernel.org/n/tip-mdw7ta6qz7d2rl77gf00uqe8@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
To get the changes in ba83088565 ("arm64: add prctl control for
resetting ptrauth keys"), that introduce a prctl with a name that needs
to be catch by the prctl cmd table generator, which will be done in the
next cset.
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Kristina Martsenko <kristina.martsenko@arm.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Will Deacon <will.deacon@arm.com>
Link: https://lkml.kernel.org/n/tip-a1pahzc8lci0ey1fjvv1chdm@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
perf c2c:
Jiri Olsa:
- Change the default coalesce setup to from '--coalesce pid,iaddr' to just '--coalesce iaddr'.
- Increase the HITM ratio limit for displayed cachelines.
perf script:
Andi Kleen:
- Fix LBR skid dump problems in brstackinsn.
perf trace:
Arnaldo Carvalho de Melo:
- Check if the raw_syscalls:sys_{enter,exit} are setup before setting tp filter.
- Do not hardcode the size of the tracepoint common_ fields.
- Beautify USBDEFFS_ ioctl commands.
Colin Ian King:
- Use correct SECCOMP prefix spelling, "SECOMP_*" -> "SECCOMP_*".
perf python:
Jiri Olsa:
- Do not force closing original perf descriptor in evlist.get_pollfd().
tools misc:
Jiri Olsa:
- Allow overriding CFLAGS and LDFLAGS.
perf build:
Stanislav Fomichev:
- Don't unconditionally link the libbfd feature test to -liberty and -lz
thread-stack:
Adrian Hunter:
- Fix processing for the idle task, having a stack per cpu.
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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Merge tag 'perf-core-for-mingo-4.21-20190103' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux into perf/urgent
Pull perf/core improvements and fixes from Arnaldo Carvalho de Melo:
perf c2c:
Jiri Olsa:
- Change the default coalesce setup to from '--coalesce pid,iaddr' to just '--coalesce iaddr'.
- Increase the HITM ratio limit for displayed cachelines.
perf script:
Andi Kleen:
- Fix LBR skid dump problems in brstackinsn.
perf trace:
Arnaldo Carvalho de Melo:
- Check if the raw_syscalls:sys_{enter,exit} are setup before setting tp filter.
- Do not hardcode the size of the tracepoint common_ fields.
- Beautify USBDEFFS_ ioctl commands.
Colin Ian King:
- Use correct SECCOMP prefix spelling, "SECOMP_*" -> "SECCOMP_*".
perf python:
Jiri Olsa:
- Do not force closing original perf descriptor in evlist.get_pollfd().
tools misc:
Jiri Olsa:
- Allow overriding CFLAGS and LDFLAGS.
perf build:
Stanislav Fomichev:
- Don't unconditionally link the libbfd feature test to -liberty and -lz
thread-stack:
Adrian Hunter:
- Fix processing for the idle task, having a stack per cpu.
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Will be used to generate the string table for the USBDEVFS_ prefixed
ioctl commands.
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Luis Cláudio Gonçalves <lclaudio@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: https://lkml.kernel.org/n/tip-3vrm9b55tdhzn8sw9qazh4z5@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Pull networking updates from David Miller:
1) New ipset extensions for matching on destination MAC addresses, from
Stefano Brivio.
2) Add ipv4 ttl and tos, plus ipv6 flow label and hop limit offloads to
nfp driver. From Stefano Brivio.
3) Implement GRO for plain UDP sockets, from Paolo Abeni.
4) Lots of work from Michał Mirosław to eliminate the VLAN_TAG_PRESENT
bit so that we could support the entire vlan_tci value.
5) Rework the IPSEC policy lookups to better optimize more usecases,
from Florian Westphal.
6) Infrastructure changes eliminating direct manipulation of SKB lists
wherever possible, and to always use the appropriate SKB list
helpers. This work is still ongoing...
7) Lots of PHY driver and state machine improvements and
simplifications, from Heiner Kallweit.
8) Various TSO deferral refinements, from Eric Dumazet.
9) Add ntuple filter support to aquantia driver, from Dmitry Bogdanov.
10) Batch dropping of XDP packets in tuntap, from Jason Wang.
11) Lots of cleanups and improvements to the r8169 driver from Heiner
Kallweit, including support for ->xmit_more. This driver has been
getting some much needed love since he started working on it.
12) Lots of new forwarding selftests from Petr Machata.
13) Enable VXLAN learning in mlxsw driver, from Ido Schimmel.
14) Packed ring support for virtio, from Tiwei Bie.
15) Add new Aquantia AQtion USB driver, from Dmitry Bezrukov.
16) Add XDP support to dpaa2-eth driver, from Ioana Ciocoi Radulescu.
17) Implement coalescing on TCP backlog queue, from Eric Dumazet.
18) Implement carrier change in tun driver, from Nicolas Dichtel.
19) Support msg_zerocopy in UDP, from Willem de Bruijn.
20) Significantly improve garbage collection of neighbor objects when
the table has many PERMANENT entries, from David Ahern.
21) Remove egdev usage from nfp and mlx5, and remove the facility
completely from the tree as it no longer has any users. From Oz
Shlomo and others.
22) Add a NETDEV_PRE_CHANGEADDR so that drivers can veto the change and
therefore abort the operation before the commit phase (which is the
NETDEV_CHANGEADDR event). From Petr Machata.
23) Add indirect call wrappers to avoid retpoline overhead, and use them
in the GRO code paths. From Paolo Abeni.
24) Add support for netlink FDB get operations, from Roopa Prabhu.
25) Support bloom filter in mlxsw driver, from Nir Dotan.
26) Add SKB extension infrastructure. This consolidates the handling of
the auxiliary SKB data used by IPSEC and bridge netfilter, and is
designed to support the needs to MPTCP which could be integrated in
the future.
27) Lots of XDP TX optimizations in mlx5 from Tariq Toukan.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next: (1845 commits)
net: dccp: fix kernel crash on module load
drivers/net: appletalk/cops: remove redundant if statement and mask
bnx2x: Fix NULL pointer dereference in bnx2x_del_all_vlans() on some hw
net/net_namespace: Check the return value of register_pernet_subsys()
net/netlink_compat: Fix a missing check of nla_parse_nested
ieee802154: lowpan_header_create check must check daddr
net/mlx4_core: drop useless LIST_HEAD
mlxsw: spectrum: drop useless LIST_HEAD
net/mlx5e: drop useless LIST_HEAD
iptunnel: Set tun_flags in the iptunnel_metadata_reply from src
net/mlx5e: fix semicolon.cocci warnings
staging: octeon: fix build failure with XFRM enabled
net: Revert recent Spectre-v1 patches.
can: af_can: Fix Spectre v1 vulnerability
packet: validate address length if non-zero
nfc: af_nfc: Fix Spectre v1 vulnerability
phonet: af_phonet: Fix Spectre v1 vulnerability
net: core: Fix Spectre v1 vulnerability
net: minor cleanup in skb_ext_add()
net: drop the unused helper skb_ext_get()
...
Pull perf updates from Ingo Molnar:
"The main changes in this cycle on the kernel side:
- rework kprobes blacklist handling (Masami Hiramatsu)
- misc cleanups
on the tooling side these areas were the main focus:
- 'perf trace' enhancements (Arnaldo Carvalho de Melo)
- 'perf bench' enhancements (Davidlohr Bueso)
- 'perf record' enhancements (Alexey Budankov)
- 'perf annotate' enhancements (Jin Yao)
- 'perf top' enhancements (Jiri Olsa)
- Intel hw tracing enhancements (Adrian Hunter)
- ARM hw tracing enhancements (Leo Yan, Mathieu Poirier)
- ... plus lots of other enhancements, cleanups and fixes"
* 'perf-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (171 commits)
tools uapi asm: Update asm-generic/unistd.h copy
perf symbols: Relax checks on perf-PID.map ownership
perf trace: Wire up the fadvise 'advice' table generator
perf beauty: Add generator for fadvise64's 'advice' arg constants
tools headers uapi: Grab a copy of fadvise.h
perf beauty mmap: Print mmap's 'offset' arg in hexadecimal
perf beauty mmap: Print PROT_READ before PROT_EXEC to match strace output
perf trace beauty: Beautify arch_prctl()'s arguments
perf trace: When showing string prefixes show prefix + ??? for unknown entries
perf trace: Move strarrays to beauty.h for further reuse
perf beauty: Wire up the x86_arch prctl code table generator
perf beauty: Add a string table generator for x86's 'arch_prctl' codes
tools include arch: Grab a copy of x86's prctl.h
perf trace: Show NULL when syscall pointer args are 0
perf trace: Enclose the errno strings with ()
perf augmented_raw_syscalls: Copy 'access' arg as well
perf trace: Add alignment spaces after the closing parens
perf trace beauty: Print O_RDONLY when (flags & O_ACCMODE) == 0
perf trace: Allow asking for not suppressing common string prefixes
perf trace: Add a prefix member to the strarray class
...
Daniel Borkmann says:
====================
pull-request: bpf-next 2018-12-21
The following pull-request contains BPF updates for your *net-next* tree.
There is a merge conflict in test_verifier.c. Result looks as follows:
[...]
},
{
"calls: cross frame pruning",
.insns = {
[...]
.prog_type = BPF_PROG_TYPE_SOCKET_FILTER,
.errstr_unpriv = "function calls to other bpf functions are allowed for root only",
.result_unpriv = REJECT,
.errstr = "!read_ok",
.result = REJECT,
},
{
"jset: functional",
.insns = {
[...]
{
"jset: unknown const compare not taken",
.insns = {
BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0,
BPF_FUNC_get_prandom_u32),
BPF_JMP_IMM(BPF_JSET, BPF_REG_0, 1, 1),
BPF_LDX_MEM(BPF_B, BPF_REG_8, BPF_REG_9, 0),
BPF_EXIT_INSN(),
},
.prog_type = BPF_PROG_TYPE_SOCKET_FILTER,
.errstr_unpriv = "!read_ok",
.result_unpriv = REJECT,
.errstr = "!read_ok",
.result = REJECT,
},
[...]
{
"jset: range",
.insns = {
[...]
},
.prog_type = BPF_PROG_TYPE_SOCKET_FILTER,
.result_unpriv = ACCEPT,
.result = ACCEPT,
},
The main changes are:
1) Various BTF related improvements in order to get line info
working. Meaning, verifier will now annotate the corresponding
BPF C code to the error log, from Martin and Yonghong.
2) Implement support for raw BPF tracepoints in modules, from Matt.
3) Add several improvements to verifier state logic, namely speeding
up stacksafe check, optimizations for stack state equivalence
test and safety checks for liveness analysis, from Alexei.
4) Teach verifier to make use of BPF_JSET instruction, add several
test cases to kselftests and remove nfp specific JSET optimization
now that verifier has awareness, from Jakub.
5) Improve BPF verifier's slot_type marking logic in order to
allow more stack slot sharing, from Jiong.
6) Add sk_msg->size member for context access and add set of fixes
and improvements to make sock_map with kTLS usable with openssl
based applications, from John.
7) Several cleanups and documentation updates in bpftool as well as
auto-mount of tracefs for "bpftool prog tracelog" command,
from Quentin.
8) Include sub-program tags from now on in bpf_prog_info in order to
have a reliable way for user space to get all tags of the program
e.g. needed for kallsyms correlation, from Song.
9) Add BTF annotations for cgroup_local_storage BPF maps and
implement bpf fs pretty print support, from Roman.
10) Fix bpftool in order to allow for cross-compilation, from Ivan.
11) Update of bpftool license to GPLv2-only + BSD-2-Clause in order
to be compatible with libbfd and allow for Debian packaging,
from Jakub.
12) Remove an obsolete prog->aux sanitation in dump and get rid of
version check for prog load, from Daniel.
13) Fix a memory leak in libbpf's line info handling, from Prashant.
14) Fix cpumap's frame alignment for build_skb() so that skb_shared_info
does not get unaligned, from Jesper.
15) Fix test_progs kselftest to work with older compilers which are less
smart in optimizing (and thus throwing build error), from Stanislav.
16) Cleanup and simplify AF_XDP socket teardown, from Björn.
17) Fix sk lookup in BPF kselftest's test_sock_addr with regards
to netns_id argument, from Andrey.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Lots of conflicts, by happily all cases of overlapping
changes, parallel adds, things of that nature.
Thanks to Stephen Rothwell, Saeed Mahameed, and others
for their guidance in these resolutions.
Signed-off-by: David S. Miller <davem@davemloft.net>
Add the size field to sk_msg_md for tools.
Signed-off-by: John Fastabend <john.fastabend@gmail.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
To get the change in:
b7d624ab43 ("asm-generic: unistd.h: fixup broken macro include.")
That doesn't imply in any changes in the tools.
This silences the following perf build warning:
Warning: Kernel ABI header at 'tools/include/uapi/asm-generic/unistd.h' differs from latest version at 'include/uapi/asm-generic/unistd.h'
diff -u tools/include/uapi/asm-generic/unistd.h include/uapi/asm-generic/unistd.h
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Guo Ren <ren_guo@c-sky.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Link: https://lkml.kernel.org/n/tip-2e7xwm5i2qcc88jp2lyawdyd@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Will be used to generate the string table for fadvise64's 'advice'
argument.
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Luis Cláudio Gonçalves <lclaudio@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: https://lkml.kernel.org/n/tip-muswpnft8q9krktv052yrgsc@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Linus Torvalds