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authorPekka J Enberg <penberg@cs.helsinki.fi>2008-12-19 12:08:39 +0200
committerIngo Molnar <mingo@elte.hu>2008-12-19 16:29:34 +0100
commit213cc060797378059a28ebc5c539f3e9a80160bd (patch)
treee159f9fae35ca59fe2c02e905c2b4b91881d865c /kernel/trace/trace.c
parentMerge branches 'tracing/ftrace', 'tracing/ring-buffer' and 'tracing/urgent' into tracing/core (diff)
downloadlinux-dev-213cc060797378059a28ebc5c539f3e9a80160bd.tar.xz
linux-dev-213cc060797378059a28ebc5c539f3e9a80160bd.zip
ftrace: introduce tracing_reset_online_cpus() helper
Impact: cleanup This patch factors out common code from multiple tracers into a tracing_reset_online_cpus() function and converts the tracers to use it. Signed-off-by: Pekka Enberg <penberg@cs.helsinki.fi> Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'kernel/trace/trace.c')
-rw-r--r--kernel/trace/trace.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
index 0eb6d48347f7..79db26e8216e 100644
--- a/kernel/trace/trace.c
+++ b/kernel/trace/trace.c
@@ -679,6 +679,16 @@ void tracing_reset(struct trace_array *tr, int cpu)
ftrace_enable_cpu();
}
+void tracing_reset_online_cpus(struct trace_array *tr)
+{
+ int cpu;
+
+ tr->time_start = ftrace_now(tr->cpu);
+
+ for_each_online_cpu(cpu)
+ tracing_reset(tr, cpu);
+}
+
#define SAVED_CMDLINES 128
static unsigned map_pid_to_cmdline[PID_MAX_DEFAULT+1];
static unsigned map_cmdline_to_pid[SAVED_CMDLINES];