From b22f4858126a6aa852ad745b94f6b25dbdea708e Mon Sep 17 00:00:00 2001 From: Frederic Weisbecker Date: Tue, 10 Feb 2009 15:49:11 +0100 Subject: tracing/sysprof: add missing tracing_{start,stop}_record_cmdline() Add the missing pair tracing_{start,stop}_record_cmdline() to record well the cmdline associated with pid. Changes in v2: - fix a build error, the sched_switch tracer is needed to record the cmdline. Signed-off-by: Frederic Weisbecker Acked-by: Steven Rostedt Signed-off-by: Ingo Molnar --- kernel/trace/Kconfig | 1 + kernel/trace/trace_sysprof.c | 3 +++ 2 files changed, 4 insertions(+) (limited to 'kernel') diff --git a/kernel/trace/Kconfig b/kernel/trace/Kconfig index 3a331289457..6ff928acd45 100644 --- a/kernel/trace/Kconfig +++ b/kernel/trace/Kconfig @@ -134,6 +134,7 @@ config SYSPROF_TRACER bool "Sysprof Tracer" depends on X86 select TRACING + select CONTEXT_SWITCH_TRACER help This tracer provides the trace needed by the 'Sysprof' userspace tool. diff --git a/kernel/trace/trace_sysprof.c b/kernel/trace/trace_sysprof.c index 84ca9d81e74..9902c15997a 100644 --- a/kernel/trace/trace_sysprof.c +++ b/kernel/trace/trace_sysprof.c @@ -238,6 +238,8 @@ static int stack_trace_init(struct trace_array *tr) { sysprof_trace = tr; + tracing_start_cmdline_record(); + mutex_lock(&sample_timer_lock); start_stack_timers(); tracer_enabled = 1; @@ -247,6 +249,7 @@ static int stack_trace_init(struct trace_array *tr) static void stack_trace_reset(struct trace_array *tr) { + tracing_stop_cmdline_record(); stop_stack_trace(tr); } -- cgit v1.2.3