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linux-sg2042
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Merge branches 'core-urgent-for-linus', 'perf-urgent-for-linus', 'sched-urgent-for-linus' and 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 

* 'core-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  bugs, x86: Fix printk levels for panic, softlockups and stack dumps

* 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  perf top: Fix number of samples displayed
  perf tools: Fix strlen() bug in perf_event__synthesize_event_type()
  perf tools: Fix broken build by defining _GNU_SOURCE in Makefile
  x86/dumpstack: Remove unneeded check in dump_trace()
  perf: Fix broken interrupt rate throttling

* 'sched-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  sched/rt: Fix task stack corruption under __ARCH_WANT_INTERRUPTS_ON_CTXSW
  sched: Fix ancient race in do_exit()
  sched/nohz: Fix nohz cpu idle load balancing state with cpu hotplug
  sched/s390: Fix compile error in sched/core.c
  sched: Fix rq->nr_uninterruptible update race

* 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/reboot: Remove VersaLogic Menlow reboot quirk
  x86/reboot: Skip DMI checks if reboot set by user
  x86: Properly parenthesize cmpxchg() macro arguments
This commit is contained in:
Linus Torvalds 2012-02-02 11:11:13 -08:00
parent bd3ce7d57c b0f4c4b32c 45179fec94 cb297a3e43 e6d36a653b
commit 2f2fde9272
23 changed files with 177 additions and 97 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
arch/x86/include/asm/cmpxchg.h
View File

@ -145,13 +145,13 @@ extern void __add_wrong_size(void)
#ifdef __HAVE_ARCH_CMPXCHG
#define cmpxchg(ptr, old, new) \
__cmpxchg((ptr), (old), (new), sizeof(*ptr))
__cmpxchg(ptr, old, new, sizeof(*(ptr)))
#define sync_cmpxchg(ptr, old, new) \
__sync_cmpxchg((ptr), (old), (new), sizeof(*ptr))
__sync_cmpxchg(ptr, old, new, sizeof(*(ptr)))
#define cmpxchg_local(ptr, old, new) \
__cmpxchg_local((ptr), (old), (new), sizeof(*ptr))
__cmpxchg_local(ptr, old, new, sizeof(*(ptr)))
#endif
/*

3
arch/x86/kernel/dumpstack.c
View File

@ -252,7 +252,8 @@ int __kprobes __die(const char *str, struct pt_regs *regs, long err)
unsigned short ss;
unsigned long sp;
#endif
printk(KERN_EMERG "%s: %04lx [#%d] ", str, err & 0xffff, ++die_counter);
printk(KERN_DEFAULT
"%s: %04lx [#%d] ", str, err & 0xffff, ++die_counter);
#ifdef CONFIG_PREEMPT
printk("PREEMPT ");
#endif

8
arch/x86/kernel/dumpstack_64.c
View File

@ -129,7 +129,7 @@ void dump_trace(struct task_struct *task, struct pt_regs *regs,
if (!stack) {
if (regs)
stack = (unsigned long *)regs->sp;
else if (task && task != current)
else if (task != current)
stack = (unsigned long *)task->thread.sp;
else
stack = &dummy;
@ -269,11 +269,11 @@ void show_registers(struct pt_regs *regs)
unsigned char c;
u8 *ip;
printk(KERN_EMERG "Stack:\n");
printk(KERN_DEFAULT "Stack:\n");
show_stack_log_lvl(NULL, regs, (unsigned long *)sp,
0, KERN_EMERG);
0, KERN_DEFAULT);
printk(KERN_EMERG "Code: ");
printk(KERN_DEFAULT "Code: ");
ip = (u8 *)regs->ip - code_prologue;
if (ip < (u8 *)PAGE_OFFSET || probe_kernel_address(ip, c)) {

36
arch/x86/kernel/reboot.c
View File

@ -39,6 +39,14 @@ static int reboot_mode;
enum reboot_type reboot_type = BOOT_ACPI;
int reboot_force;
/* This variable is used privately to keep track of whether or not
* reboot_type is still set to its default value (i.e., reboot= hasn't
* been set on the command line). This is needed so that we can
* suppress DMI scanning for reboot quirks. Without it, it's
* impossible to override a faulty reboot quirk without recompiling.
*/
static int reboot_default = 1;
#if defined(CONFIG_X86_32) && defined(CONFIG_SMP)
static int reboot_cpu = -1;
#endif
@ -67,6 +75,12 @@ bool port_cf9_safe = false;
static int __init reboot_setup(char *str)
{
for (;;) {
/* Having anything passed on the command line via
* reboot= will cause us to disable DMI checking
* below.
*/
reboot_default = 0;
switch (*str) {
case 'w':
reboot_mode = 0x1234;
@ -295,14 +309,6 @@ static struct dmi_system_id __initdata reboot_dmi_table[] = {
DMI_MATCH(DMI_BOARD_NAME, "P4S800"),
},
},
{ /* Handle problems with rebooting on VersaLogic Menlow boards */
.callback = set_bios_reboot,
.ident = "VersaLogic Menlow based board",
.matches = {
DMI_MATCH(DMI_BOARD_VENDOR, "VersaLogic Corporation"),
DMI_MATCH(DMI_BOARD_NAME, "VersaLogic Menlow board"),
},
},
{ /* Handle reboot issue on Acer Aspire one */
.callback = set_kbd_reboot,
.ident = "Acer Aspire One A110",
@ -316,7 +322,12 @@ static struct dmi_system_id __initdata reboot_dmi_table[] = {
static int __init reboot_init(void)
{
dmi_check_system(reboot_dmi_table);
/* Only do the DMI check if reboot_type hasn't been overridden
* on the command line
*/
if (reboot_default) {
dmi_check_system(reboot_dmi_table);
}
return 0;
}
core_initcall(reboot_init);
@ -465,7 +476,12 @@ static struct dmi_system_id __initdata pci_reboot_dmi_table[] = {
static int __init pci_reboot_init(void)
{
dmi_check_system(pci_reboot_dmi_table);
/* Only do the DMI check if reboot_type hasn't been overridden
* on the command line
*/
if (reboot_default) {
dmi_check_system(pci_reboot_dmi_table);
}
return 0;
}
core_initcall(pci_reboot_init);

4
arch/x86/mm/fault.c
View File

@ -673,7 +673,7 @@ no_context(struct pt_regs *regs, unsigned long error_code,
stackend = end_of_stack(tsk);
if (tsk != &init_task && *stackend != STACK_END_MAGIC)
printk(KERN_ALERT "Thread overran stack, or stack corrupted\n");
printk(KERN_EMERG "Thread overran stack, or stack corrupted\n");
tsk->thread.cr2 = address;
tsk->thread.trap_no = 14;
@ -684,7 +684,7 @@ no_context(struct pt_regs *regs, unsigned long error_code,
sig = 0;
/* Executive summary in case the body of the oops scrolled away */
printk(KERN_EMERG "CR2: %016lx\n", address);
printk(KERN_DEFAULT "CR2: %016lx\n", address);
oops_end(flags, regs, sig);
}

1
include/linux/perf_event.h
View File

@ -587,6 +587,7 @@ struct hw_perf_event {
u64 sample_period;
u64 last_period;
local64_t period_left;
u64 interrupts_seq;
u64 interrupts;
u64 freq_time_stamp;

104
kernel/events/core.c
View File

@ -2300,6 +2300,9 @@ do { \
return div64_u64(dividend, divisor);
}
static DEFINE_PER_CPU(int, perf_throttled_count);
static DEFINE_PER_CPU(u64, perf_throttled_seq);
static void perf_adjust_period(struct perf_event *event, u64 nsec, u64 count)
{
struct hw_perf_event *hwc = &event->hw;
@ -2325,16 +2328,29 @@ static void perf_adjust_period(struct perf_event *event, u64 nsec, u64 count)
}
}
static void perf_ctx_adjust_freq(struct perf_event_context *ctx, u64 period)
/*
* combine freq adjustment with unthrottling to avoid two passes over the
* events. At the same time, make sure, having freq events does not change
* the rate of unthrottling as that would introduce bias.
*/
static void perf_adjust_freq_unthr_context(struct perf_event_context *ctx,
int needs_unthr)
{
struct perf_event *event;
struct hw_perf_event *hwc;
u64 interrupts, now;
u64 now, period = TICK_NSEC;
s64 delta;
if (!ctx->nr_freq)
/*
* only need to iterate over all events iff:
* - context have events in frequency mode (needs freq adjust)
* - there are events to unthrottle on this cpu
*/
if (!(ctx->nr_freq || needs_unthr))
return;
raw_spin_lock(&ctx->lock);
list_for_each_entry_rcu(event, &ctx->event_list, event_entry) {
if (event->state != PERF_EVENT_STATE_ACTIVE)
continue;
@ -2344,13 +2360,8 @@ static void perf_ctx_adjust_freq(struct perf_event_context *ctx, u64 period)
hwc = &event->hw;
interrupts = hwc->interrupts;
hwc->interrupts = 0;
/*
* unthrottle events on the tick
*/
if (interrupts == MAX_INTERRUPTS) {
if (needs_unthr && hwc->interrupts == MAX_INTERRUPTS) {
hwc->interrupts = 0;
perf_log_throttle(event, 1);
event->pmu->start(event, 0);
}
@ -2358,14 +2369,26 @@ static void perf_ctx_adjust_freq(struct perf_event_context *ctx, u64 period)
if (!event->attr.freq || !event->attr.sample_freq)
continue;
event->pmu->read(event);
/*
* stop the event and update event->count
*/
event->pmu->stop(event, PERF_EF_UPDATE);
now = local64_read(&event->count);
delta = now - hwc->freq_count_stamp;
hwc->freq_count_stamp = now;
/*
* restart the event
* reload only if value has changed
*/
if (delta > 0)
perf_adjust_period(event, period, delta);
event->pmu->start(event, delta > 0 ? PERF_EF_RELOAD : 0);
}
raw_spin_unlock(&ctx->lock);
}
/*
@ -2388,16 +2411,13 @@ static void rotate_ctx(struct perf_event_context *ctx)
*/
static void perf_rotate_context(struct perf_cpu_context *cpuctx)
{
u64 interval = (u64)cpuctx->jiffies_interval * TICK_NSEC;
struct perf_event_context *ctx = NULL;
int rotate = 0, remove = 1, freq = 0;
int rotate = 0, remove = 1;
if (cpuctx->ctx.nr_events) {
remove = 0;
if (cpuctx->ctx.nr_events != cpuctx->ctx.nr_active)
rotate = 1;
if (cpuctx->ctx.nr_freq)
freq = 1;
}
ctx = cpuctx->task_ctx;
@ -2405,37 +2425,26 @@ static void perf_rotate_context(struct perf_cpu_context *cpuctx)
remove = 0;
if (ctx->nr_events != ctx->nr_active)
rotate = 1;
if (ctx->nr_freq)
freq = 1;
}
if (!rotate && !freq)
if (!rotate)
goto done;
perf_ctx_lock(cpuctx, cpuctx->task_ctx);
perf_pmu_disable(cpuctx->ctx.pmu);
if (freq) {
perf_ctx_adjust_freq(&cpuctx->ctx, interval);
if (ctx)
perf_ctx_adjust_freq(ctx, interval);
}
cpu_ctx_sched_out(cpuctx, EVENT_FLEXIBLE);
if (ctx)
ctx_sched_out(ctx, cpuctx, EVENT_FLEXIBLE);
if (rotate) {
cpu_ctx_sched_out(cpuctx, EVENT_FLEXIBLE);
if (ctx)
ctx_sched_out(ctx, cpuctx, EVENT_FLEXIBLE);
rotate_ctx(&cpuctx->ctx);
if (ctx)
rotate_ctx(ctx);
rotate_ctx(&cpuctx->ctx);
if (ctx)
rotate_ctx(ctx);
perf_event_sched_in(cpuctx, ctx, current);
}
perf_event_sched_in(cpuctx, ctx, current);
perf_pmu_enable(cpuctx->ctx.pmu);
perf_ctx_unlock(cpuctx, cpuctx->task_ctx);
done:
if (remove)
list_del_init(&cpuctx->rotation_list);
@ -2445,10 +2454,22 @@ void perf_event_task_tick(void)
{
struct list_head *head = &__get_cpu_var(rotation_list);
struct perf_cpu_context *cpuctx, *tmp;
struct perf_event_context *ctx;
int throttled;
WARN_ON(!irqs_disabled());
__this_cpu_inc(perf_throttled_seq);
throttled = __this_cpu_xchg(perf_throttled_count, 0);
list_for_each_entry_safe(cpuctx, tmp, head, rotation_list) {
ctx = &cpuctx->ctx;
perf_adjust_freq_unthr_context(ctx, throttled);
ctx = cpuctx->task_ctx;
if (ctx)
perf_adjust_freq_unthr_context(ctx, throttled);
if (cpuctx->jiffies_interval == 1 ||
!(jiffies % cpuctx->jiffies_interval))
perf_rotate_context(cpuctx);
@ -4509,6 +4530,7 @@ static int __perf_event_overflow(struct perf_event *event,
{
int events = atomic_read(&event->event_limit);
struct hw_perf_event *hwc = &event->hw;
u64 seq;
int ret = 0;
/*
@ -4518,14 +4540,20 @@ static int __perf_event_overflow(struct perf_event *event,
if (unlikely(!is_sampling_event(event)))
return 0;
if (unlikely(hwc->interrupts >= max_samples_per_tick)) {
if (throttle) {
seq = __this_cpu_read(perf_throttled_seq);
if (seq != hwc->interrupts_seq) {
hwc->interrupts_seq = seq;
hwc->interrupts = 1;
} else {
hwc->interrupts++;
if (unlikely(throttle
&& hwc->interrupts >= max_samples_per_tick)) {
__this_cpu_inc(perf_throttled_count);
hwc->interrupts = MAX_INTERRUPTS;
perf_log_throttle(event, 0);
ret = 1;
}
} else
hwc->interrupts++;
}
if (event->attr.freq) {
u64 now = perf_clock();

16
kernel/exit.c
View File

@ -1038,6 +1038,22 @@ void do_exit(long code)
if (tsk->nr_dirtied)
__this_cpu_add(dirty_throttle_leaks, tsk->nr_dirtied);
exit_rcu();
/*
* The setting of TASK_RUNNING by try_to_wake_up() may be delayed
* when the following two conditions become true.
* - There is race condition of mmap_sem (It is acquired by
* exit_mm()), and
* - SMI occurs before setting TASK_RUNINNG.
* (or hypervisor of virtual machine switches to other guest)
* As a result, we may become TASK_RUNNING after becoming TASK_DEAD
*
* To avoid it, we have to wait for releasing tsk->pi_lock which
* is held by try_to_wake_up()
*/
smp_mb();
raw_spin_unlock_wait(&tsk->pi_lock);
/* causes final put_task_struct in finish_task_switch(). */
tsk->state = TASK_DEAD;
tsk->flags |= PF_NOFREEZE; /* tell freezer to ignore us */

19
kernel/sched/core.c
View File

@ -74,6 +74,7 @@
#include <asm/tlb.h>
#include <asm/irq_regs.h>
#include <asm/mutex.h>
#ifdef CONFIG_PARAVIRT
#include <asm/paravirt.h>
#endif
@ -723,9 +724,6 @@ static void dequeue_task(struct rq *rq, struct task_struct *p, int flags)
p->sched_class->dequeue_task(rq, p, flags);
}
/*
* activate_task - move a task to the runqueue.
*/
void activate_task(struct rq *rq, struct task_struct *p, int flags)
{
if (task_contributes_to_load(p))
@ -734,9 +732,6 @@ void activate_task(struct rq *rq, struct task_struct *p, int flags)
enqueue_task(rq, p, flags);
}
/*
* deactivate_task - remove a task from the runqueue.
*/
void deactivate_task(struct rq *rq, struct task_struct *p, int flags)
{
if (task_contributes_to_load(p))
@ -4134,7 +4129,7 @@ recheck:
on_rq = p->on_rq;
running = task_current(rq, p);
if (on_rq)
deactivate_task(rq, p, 0);
dequeue_task(rq, p, 0);
if (running)
p->sched_class->put_prev_task(rq, p);
@ -4147,7 +4142,7 @@ recheck:
if (running)
p->sched_class->set_curr_task(rq);
if (on_rq)
activate_task(rq, p, 0);
enqueue_task(rq, p, 0);
check_class_changed(rq, p, prev_class, oldprio);
task_rq_unlock(rq, p, &flags);
@ -4998,9 +4993,9 @@ static int __migrate_task(struct task_struct *p, int src_cpu, int dest_cpu)
* placed properly.
*/
if (p->on_rq) {
deactivate_task(rq_src, p, 0);
dequeue_task(rq_src, p, 0);
set_task_cpu(p, dest_cpu);
activate_task(rq_dest, p, 0);
enqueue_task(rq_dest, p, 0);
check_preempt_curr(rq_dest, p, 0);
}
done:
@ -7032,10 +7027,10 @@ static void normalize_task(struct rq *rq, struct task_struct *p)
on_rq = p->on_rq;
if (on_rq)
deactivate_task(rq, p, 0);
dequeue_task(rq, p, 0);
__setscheduler(rq, p, SCHED_NORMAL, 0);
if (on_rq) {
activate_task(rq, p, 0);
enqueue_task(rq, p, 0);
resched_task(rq->curr);
}

34
kernel/sched/fair.c
View File

@ -4866,6 +4866,15 @@ static void nohz_balancer_kick(int cpu)
return;
}
static inline void clear_nohz_tick_stopped(int cpu)
{
if (unlikely(test_bit(NOHZ_TICK_STOPPED, nohz_flags(cpu)))) {
cpumask_clear_cpu(cpu, nohz.idle_cpus_mask);
atomic_dec(&nohz.nr_cpus);
clear_bit(NOHZ_TICK_STOPPED, nohz_flags(cpu));
}
}
static inline void set_cpu_sd_state_busy(void)
{
struct sched_domain *sd;
@ -4904,6 +4913,12 @@ void select_nohz_load_balancer(int stop_tick)
{
int cpu = smp_processor_id();
/*
* If this cpu is going down, then nothing needs to be done.
*/
if (!cpu_active(cpu))
return;
if (stop_tick) {
if (test_bit(NOHZ_TICK_STOPPED, nohz_flags(cpu)))
return;
@ -4914,6 +4929,18 @@ void select_nohz_load_balancer(int stop_tick)
}
return;
}
static int __cpuinit sched_ilb_notifier(struct notifier_block *nfb,
unsigned long action, void *hcpu)
{
switch (action & ~CPU_TASKS_FROZEN) {
case CPU_DYING:
clear_nohz_tick_stopped(smp_processor_id());
return NOTIFY_OK;
default:
return NOTIFY_DONE;
}
}
#endif
static DEFINE_SPINLOCK(balancing);
@ -5070,11 +5097,7 @@ static inline int nohz_kick_needed(struct rq *rq, int cpu)
* busy tick after returning from idle, we will update the busy stats.
*/
set_cpu_sd_state_busy();
if (unlikely(test_bit(NOHZ_TICK_STOPPED, nohz_flags(cpu)))) {
clear_bit(NOHZ_TICK_STOPPED, nohz_flags(cpu));
cpumask_clear_cpu(cpu, nohz.idle_cpus_mask);
atomic_dec(&nohz.nr_cpus);
}
clear_nohz_tick_stopped(cpu);
/*
* None are in tickless mode and hence no need for NOHZ idle load
@ -5590,6 +5613,7 @@ __init void init_sched_fair_class(void)
#ifdef CONFIG_NO_HZ
zalloc_cpumask_var(&nohz.idle_cpus_mask, GFP_NOWAIT);
cpu_notifier(sched_ilb_notifier, 0);
#endif
#endif /* SMP */

5
kernel/sched/rt.c
View File

@ -1587,6 +1587,11 @@ static int push_rt_task(struct rq *rq)
if (!next_task)
return 0;
#ifdef __ARCH_WANT_INTERRUPTS_ON_CTXSW
if (unlikely(task_running(rq, next_task)))
return 0;
#endif
retry:
if (unlikely(next_task == rq->curr)) {
WARN_ON(1);

2
kernel/watchdog.c
View File

@ -296,7 +296,7 @@ static enum hrtimer_restart watchdog_timer_fn(struct hrtimer *hrtimer)
if (__this_cpu_read(soft_watchdog_warn) == true)
return HRTIMER_RESTART;
printk(KERN_ERR "BUG: soft lockup - CPU#%d stuck for %us! [%s:%d]\n",
printk(KERN_EMERG "BUG: soft lockup - CPU#%d stuck for %us! [%s:%d]\n",
smp_processor_id(), duration,
current->comm, task_pid_nr(current));
print_modules();

2
lib/bug.c
View File

@ -169,7 +169,7 @@ enum bug_trap_type report_bug(unsigned long bugaddr, struct pt_regs *regs)
return BUG_TRAP_TYPE_WARN;
}
printk(KERN_EMERG "------------[ cut here ]------------\n");
printk(KERN_DEFAULT "------------[ cut here ]------------\n");
if (file)
printk(KERN_CRIT "kernel BUG at %s:%u!\n",

7
tools/perf/Makefile
View File

@ -104,7 +104,7 @@ endif
CFLAGS = -fno-omit-frame-pointer -ggdb3 -Wall -Wextra -std=gnu99 $(CFLAGS_WERROR) $(CFLAGS_OPTIMIZE) -D_FORTIFY_SOURCE=2 $(EXTRA_WARNINGS) $(EXTRA_CFLAGS)
EXTLIBS = -lpthread -lrt -lelf -lm
ALL_CFLAGS = $(CFLAGS) -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64
ALL_CFLAGS = $(CFLAGS) -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE
ALL_LDFLAGS = $(LDFLAGS)
STRIP ?= strip
@ -168,10 +168,7 @@ endif
### --- END CONFIGURATION SECTION ---
# Those must not be GNU-specific; they are shared with perl/ which may
# be built by a different compiler. (Note that this is an artifact now
# but it still might be nice to keep that distinction.)
BASIC_CFLAGS = -Iutil/include -Iarch/$(ARCH)/include
BASIC_CFLAGS = -Iutil/include -Iarch/$(ARCH)/include -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE
BASIC_LDFLAGS =
# Guard against environment variables

2
tools/perf/builtin-probe.c
View File

@ -20,7 +20,6 @@
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
*/
#define _GNU_SOURCE
#include <sys/utsname.h>
#include <sys/types.h>
#include <sys/stat.h>
@ -31,7 +30,6 @@
#include <stdlib.h>
#include <string.h>
#undef _GNU_SOURCE
#include "perf.h"
#include "builtin.h"
#include "util/util.h"

13
tools/perf/builtin-top.c
View File

@ -89,8 +89,6 @@ void get_term_dimensions(struct winsize *ws)
static void perf_top__update_print_entries(struct perf_top *top)
{
top->print_entries = top->winsize.ws_row;
if (top->print_entries > 9)
top->print_entries -= 9;
}
@ -100,6 +98,13 @@ static void perf_top__sig_winch(int sig __used, siginfo_t *info __used, void *ar
struct perf_top *top = arg;
get_term_dimensions(&top->winsize);
if (!top->print_entries
|| (top->print_entries+4) > top->winsize.ws_row) {
top->print_entries = top->winsize.ws_row;
} else {
top->print_entries += 4;
top->winsize.ws_row = top->print_entries;
}
perf_top__update_print_entries(top);
}
@ -453,8 +458,10 @@ static void perf_top__handle_keypress(struct perf_top *top, int c)
};
perf_top__sig_winch(SIGWINCH, NULL, top);
sigaction(SIGWINCH, &act, NULL);
} else
} else {
perf_top__sig_winch(SIGWINCH, NULL, top);
signal(SIGWINCH, SIG_DFL);
}
break;
case 'E':
if (top->evlist->nr_entries > 1) {

2
tools/perf/util/header.c
View File

@ -2105,7 +2105,7 @@ int perf_event__synthesize_event_type(struct perf_tool *tool,
strncpy(ev.event_type.event_type.name, name, MAX_EVENT_NAME - 1);
ev.event_type.header.type = PERF_RECORD_HEADER_EVENT_TYPE;
size = strlen(name);
size = strlen(ev.event_type.event_type.name);
size = ALIGN(size, sizeof(u64));
ev.event_type.header.size = sizeof(ev.event_type) -
(sizeof(ev.event_type.event_type.name) - size);

2
tools/perf/util/probe-event.c
View File

@ -19,7 +19,6 @@
*
*/
#define _GNU_SOURCE
#include <sys/utsname.h>
#include <sys/types.h>
#include <sys/stat.h>
@ -33,7 +32,6 @@
#include <limits.h>
#include <elf.h>
#undef _GNU_SOURCE
#include "util.h"
#include "event.h"
#include "string.h"

1
tools/perf/util/symbol.c
View File

@ -1,4 +1,3 @@
#define _GNU_SOURCE
#include <ctype.h>
#include <dirent.h>
#include <errno.h>

3
tools/perf/util/trace-event-parse.c
View File

@ -21,14 +21,13 @@
* The parts for function graph printing was taken and modified from the
* Linux Kernel that were written by Frederic Weisbecker.
*/
#define _GNU_SOURCE
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <ctype.h>
#include <errno.h>
#undef _GNU_SOURCE
#include "../perf.h"
#include "util.h"
#include "trace-event.h"

2
tools/perf/util/ui/browsers/hists.c
View File

@ -1,6 +1,4 @@
#define _GNU_SOURCE
#include <stdio.h>
#undef _GNU_SOURCE
#include "../libslang.h"
#include <stdlib.h>
#include <string.h>

1
tools/perf/util/ui/helpline.c
View File

@ -1,4 +1,3 @@
#define _GNU_SOURCE
#include <stdio.h>
#include <stdlib.h>
#include <string.h>

1
tools/perf/util/util.h
View File

@ -40,7 +40,6 @@
#define decimal_length(x) ((int)(sizeof(x) * 2.56 + 0.5) + 1)
#define _ALL_SOURCE 1
#define _GNU_SOURCE 1
#define _BSD_SOURCE 1
#define HAS_BOOL