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tools headers UAPI: Sync powerpc syscall table file changed by new futex_waitv syscall 

To pick the changes in this cset:

  a0eb2da92b ("futex: Wireup futex_waitv syscall")

That add support for this new syscall in tools such as 'perf trace'.

For instance, this is now possible (adapted from the x86_64 test output):

  # perf trace -e futex_waitv
  ^C#
  # perf trace -v -e futex_waitv
  event qualifier tracepoint filter: (common_pid != 807333 && common_pid != 3564) && (id == 449)
  ^C#
  # perf trace -v -e futex* --max-events 10
  event qualifier tracepoint filter: (common_pid != 812168 && common_pid != 3564) && (id == 221 || id == 449)
  mmap size 528384B
           ? (         ): Timer/219310  ... [continued]: futex())                                            = -1 ETIMEDOUT (Connection timed out)
       0.012 ( 0.002 ms): Timer/219310 futex(uaddr: 0x7fd0b152d3c8, op: WAKE|PRIVATE_FLAG, val: 1)           = 0
       0.024 ( 0.060 ms): Timer/219310 futex(uaddr: 0x7fd0b152d420, op: WAIT_BITSET|PRIVATE_FLAG, utime: 0x7fd0b1657840, val3: MATCH_ANY) = 0
       0.086 ( 0.001 ms): Timer/219310 futex(uaddr: 0x7fd0b152d3c8, op: WAKE|PRIVATE_FLAG, val: 1)           = 0
       0.088 (         ): Timer/219310 futex(uaddr: 0x7fd0b152d424, op: WAIT_BITSET|PRIVATE_FLAG, utime: 0x7fd0b1657840, val3: MATCH_ANY) ...
       0.075 ( 0.005 ms): Web Content/219299 futex(uaddr: 0x7fd0b152d420, op: WAKE|PRIVATE_FLAG, val: 1)     = 1
       0.169 ( 0.004 ms): Web Content/219299 futex(uaddr: 0x7fd0b152d424, op: WAKE|PRIVATE_FLAG, val: 1)     = 1
       0.088 ( 0.089 ms): Timer/219310  ... [continued]: futex())                                            = 0
       0.179 ( 0.001 ms): Timer/219310 futex(uaddr: 0x7fd0b152d3c8, op: WAKE|PRIVATE_FLAG, val: 1)           = 0
       0.181 (         ): Timer/219310 futex(uaddr: 0x7fd0b152d420, op: WAIT_BITSET|PRIVATE_FLAG, utime: 0x7fd0b1657840, val3: MATCH_ANY) ...
  #

That is the filter expression attached to the raw_syscalls:sys_{enter,exit}
tracepoints.

  $ grep futex tools/perf/arch/powerpc/entry/syscalls/syscall.tbl
  221	32	futex				sys_futex_time32
  221	64	futex				sys_futex
  221	spu	futex				sys_futex
  422	32	futex_time64			sys_futex			sys_futex
  449	common  futex_waitv                     sys_futex_waitv
  $

This addresses this perf build warnings:

  Warning: Kernel ABI header at 'tools/perf/arch/powerpc/entry/syscalls/syscall.tbl' differs from latest version at 'arch/powerpc/kernel/syscalls/syscall.tbl'
  diff -u tools/perf/arch/powerpc/entry/syscalls/syscall.tbl arch/powerpc/kernel/syscalls/syscall.tbl

Reviewed-by: Athira Rajeev <atrajeev@linux.vnet.ibm.com>
Tested-by: Athira Rajeev <atrajeev@linux.vnet.ibm.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>,
Cc: André Almeida <andrealmeid@collabora.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Link: https://lore.kernel.org/lkml/YZ%2F1OU9mJuyS2HMa@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Arnaldo Carvalho de Melo 2021-09-08 16:09:08 -03:00
parent c29d979260
commit cba43fcf7a
1 changed files with 1 additions and 0 deletions
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1
tools/perf/arch/powerpc/entry/syscalls/syscall.tbl
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@ -528,3 +528,4 @@
446 common landlock_restrict_self sys_landlock_restrict_self
# 447 reserved for memfd_secret
448 common process_mrelease sys_process_mrelease
449 common futex_waitv sys_futex_waitv