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author | Ingo Molnar <mingo@elte.hu> | 2009-04-01 21:54:19 +0200 |
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committer | Ingo Molnar <mingo@elte.hu> | 2009-04-02 00:49:02 +0200 |
commit | 8302294f43250dc337108c51882a6007f2b1e2e0 (patch) | |
tree | 85acd4440799c46a372df9cad170fa0c21e59096 /kernel/trace/trace_sysprof.c | |
parent | 4fe70410d9a219dabb47328effccae7e7f2a6e26 (diff) | |
parent | 2e572895bf3203e881356a4039ab0fa428ed2639 (diff) | |
download | linux-8302294f43250dc337108c51882a6007f2b1e2e0.tar.bz2 |
Merge branch 'tracing/core-v2' into tracing-for-linus
Conflicts:
include/linux/slub_def.h
lib/Kconfig.debug
mm/slob.c
mm/slub.c
Diffstat (limited to 'kernel/trace/trace_sysprof.c')
-rw-r--r-- | kernel/trace/trace_sysprof.c | 23 |
1 files changed, 10 insertions, 13 deletions
diff --git a/kernel/trace/trace_sysprof.c b/kernel/trace/trace_sysprof.c index eaca5ad803ff..91fd19c2149f 100644 --- a/kernel/trace/trace_sysprof.c +++ b/kernel/trace/trace_sysprof.c @@ -88,7 +88,7 @@ static void backtrace_address(void *data, unsigned long addr, int reliable) } } -const static struct stacktrace_ops backtrace_ops = { +static const struct stacktrace_ops backtrace_ops = { .warning = backtrace_warning, .warning_symbol = backtrace_warning_symbol, .stack = backtrace_stack, @@ -226,15 +226,6 @@ static void stop_stack_timers(void) stop_stack_timer(cpu); } -static void start_stack_trace(struct trace_array *tr) -{ - mutex_lock(&sample_timer_lock); - tracing_reset_online_cpus(tr); - start_stack_timers(); - tracer_enabled = 1; - mutex_unlock(&sample_timer_lock); -} - static void stop_stack_trace(struct trace_array *tr) { mutex_lock(&sample_timer_lock); @@ -247,12 +238,18 @@ static int stack_trace_init(struct trace_array *tr) { sysprof_trace = tr; - start_stack_trace(tr); + tracing_start_cmdline_record(); + + mutex_lock(&sample_timer_lock); + start_stack_timers(); + tracer_enabled = 1; + mutex_unlock(&sample_timer_lock); return 0; } static void stack_trace_reset(struct trace_array *tr) { + tracing_stop_cmdline_record(); stop_stack_trace(tr); } @@ -317,7 +314,7 @@ sysprof_sample_write(struct file *filp, const char __user *ubuf, return cnt; } -static struct file_operations sysprof_sample_fops = { +static const struct file_operations sysprof_sample_fops = { .read = sysprof_sample_read, .write = sysprof_sample_write, }; @@ -330,5 +327,5 @@ void init_tracer_sysprof_debugfs(struct dentry *d_tracer) d_tracer, NULL, &sysprof_sample_fops); if (entry) return; - pr_warning("Could not create debugfs 'dyn_ftrace_total_info' entry\n"); + pr_warning("Could not create debugfs 'sysprof_sample_period' entry\n"); } |