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author | Linus Torvalds <torvalds@linux-foundation.org> | 2010-05-27 18:23:47 -0400 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-05-27 18:23:47 -0400 |
commit | c5617b200ac52e35f7e8cf05a17b0a2d50f6b3e9 (patch) | |
tree | 40d5e99660c77c5791392d349a93113c044dbf14 /kernel/trace/ftrace.c | |
parent | cad719d86e9dbd06634eaba6401e022c8101d6b2 (diff) | |
parent | 49c177461bfbedeccbab22bf3905db2f9da7f1c3 (diff) |
Merge branch 'perf-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'perf-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: (61 commits)
tracing: Add __used annotation to event variable
perf, trace: Fix !x86 build bug
perf report: Support multiple events on the TUI
perf annotate: Fix up usage of the build id cache
x86/mmiotrace: Remove redundant instruction prefix checks
perf annotate: Add TUI interface
perf tui: Remove annotate from popup menu after failure
perf report: Don't start the TUI if -D is used
perf: Fix getline undeclared
perf: Optimize perf_tp_event_match()
perf: Remove more code from the fastpath
perf: Optimize the !vmalloc backed buffer
perf: Optimize perf_output_copy()
perf: Fix wakeup storm for RO mmap()s
perf-record: Share per-cpu buffers
perf-record: Remove -M
perf: Ensure that IOC_OUTPUT isn't used to create multi-writer buffers
perf, trace: Optimize tracepoints by using per-tracepoint-per-cpu hlist to track events
perf, trace: Optimize tracepoints by removing IRQ-disable from perf/tracepoint interaction
perf tui: Allow disabling the TUI on a per command basis in ~/.perfconfig
...
Diffstat (limited to 'kernel/trace/ftrace.c')
-rw-r--r-- | kernel/trace/ftrace.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c index 32837e19e3b..6d2cb14f944 100644 --- a/kernel/trace/ftrace.c +++ b/kernel/trace/ftrace.c | |||
@@ -3234,7 +3234,8 @@ free: | |||
3234 | } | 3234 | } |
3235 | 3235 | ||
3236 | static void | 3236 | static void |
3237 | ftrace_graph_probe_sched_switch(struct task_struct *prev, struct task_struct *next) | 3237 | ftrace_graph_probe_sched_switch(void *ignore, |
3238 | struct task_struct *prev, struct task_struct *next) | ||
3238 | { | 3239 | { |
3239 | unsigned long long timestamp; | 3240 | unsigned long long timestamp; |
3240 | int index; | 3241 | int index; |
@@ -3288,7 +3289,7 @@ static int start_graph_tracing(void) | |||
3288 | } while (ret == -EAGAIN); | 3289 | } while (ret == -EAGAIN); |
3289 | 3290 | ||
3290 | if (!ret) { | 3291 | if (!ret) { |
3291 | ret = register_trace_sched_switch(ftrace_graph_probe_sched_switch); | 3292 | ret = register_trace_sched_switch(ftrace_graph_probe_sched_switch, NULL); |
3292 | if (ret) | 3293 | if (ret) |
3293 | pr_info("ftrace_graph: Couldn't activate tracepoint" | 3294 | pr_info("ftrace_graph: Couldn't activate tracepoint" |
3294 | " probe to kernel_sched_switch\n"); | 3295 | " probe to kernel_sched_switch\n"); |
@@ -3364,7 +3365,7 @@ void unregister_ftrace_graph(void) | |||
3364 | ftrace_graph_entry = ftrace_graph_entry_stub; | 3365 | ftrace_graph_entry = ftrace_graph_entry_stub; |
3365 | ftrace_shutdown(FTRACE_STOP_FUNC_RET); | 3366 | ftrace_shutdown(FTRACE_STOP_FUNC_RET); |
3366 | unregister_pm_notifier(&ftrace_suspend_notifier); | 3367 | unregister_pm_notifier(&ftrace_suspend_notifier); |
3367 | unregister_trace_sched_switch(ftrace_graph_probe_sched_switch); | 3368 | unregister_trace_sched_switch(ftrace_graph_probe_sched_switch, NULL); |
3368 | 3369 | ||
3369 | out: | 3370 | out: |
3370 | mutex_unlock(&ftrace_lock); | 3371 | mutex_unlock(&ftrace_lock); |