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| author | Ingo Molnar <mingo@elte.hu> | 2008-12-31 08:31:57 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-12-31 08:31:57 +0100 |
| commit | a9de18eb761f7c1c860964b2e5addc1a35c7e861 (patch) | |
| tree | 886e75fdfd09690cd262ca69cb7f5d1d42b48602 /kernel/trace/trace_functions.c | |
| parent | b2aaf8f74cdc84a9182f6cabf198b7763bcb9d40 (diff) | |
| parent | 6a94cb73064c952255336cc57731904174b2c58f (diff) | |
| download | op-kernel-dev-a9de18eb761f7c1c860964b2e5addc1a35c7e861.zip op-kernel-dev-a9de18eb761f7c1c860964b2e5addc1a35c7e861.tar.gz | |
Merge branch 'linus' into stackprotector
Conflicts:
arch/x86/include/asm/pda.h
kernel/fork.c
Diffstat (limited to 'kernel/trace/trace_functions.c')
| -rw-r--r-- | kernel/trace/trace_functions.c | 32 |
1 files changed, 9 insertions, 23 deletions
diff --git a/kernel/trace/trace_functions.c b/kernel/trace/trace_functions.c index 3121448..9236d7e 100644 --- a/kernel/trace/trace_functions.c +++ b/kernel/trace/trace_functions.c @@ -16,20 +16,10 @@ #include "trace.h" -static void function_reset(struct trace_array *tr) -{ - int cpu; - - tr->time_start = ftrace_now(tr->cpu); - - for_each_online_cpu(cpu) - tracing_reset(tr->data[cpu]); -} - static void start_function_trace(struct trace_array *tr) { tr->cpu = get_cpu(); - function_reset(tr); + tracing_reset_online_cpus(tr); put_cpu(); tracing_start_cmdline_record(); @@ -42,32 +32,28 @@ static void stop_function_trace(struct trace_array *tr) tracing_stop_cmdline_record(); } -static void function_trace_init(struct trace_array *tr) +static int function_trace_init(struct trace_array *tr) { - if (tr->ctrl) - start_function_trace(tr); + start_function_trace(tr); + return 0; } static void function_trace_reset(struct trace_array *tr) { - if (tr->ctrl) - stop_function_trace(tr); + stop_function_trace(tr); } -static void function_trace_ctrl_update(struct trace_array *tr) +static void function_trace_start(struct trace_array *tr) { - if (tr->ctrl) - start_function_trace(tr); - else - stop_function_trace(tr); + tracing_reset_online_cpus(tr); } static struct tracer function_trace __read_mostly = { - .name = "ftrace", + .name = "function", .init = function_trace_init, .reset = function_trace_reset, - .ctrl_update = function_trace_ctrl_update, + .start = function_trace_start, #ifdef CONFIG_FTRACE_SELFTEST .selftest = trace_selftest_startup_function, #endif |
