Eric Lee / linux-smarc-t335x-v3.2

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Commit 938cfed18bec2c7361f37efc954712a7cc42c353

Authored by Jean Pihet
Committed by Ingo Molnar
1 parent eccdfe2d24
Exists in master and in 4 other branches v3.2_AM335xPSP_04.06.00.11, v3.2_NEWT335xPSP_04.06.00.11, v3.2_SBC_SMARTMEN, v3.2_SMARCT335xPSP_04.06.00.11

perf: Add calls to suspend trace point 

Uses the machine_suspend trace point, called from the
generic kernel suspend_devices_and_enter function.

Signed-off-by: Jean Pihet <j-pihet@ti.com>
Acked-by: Rafael J. Wysocki <rjw@sisk.pl>
Cc: Arjan van de Ven <arjan@linux.intel.com>
CC: Thomas Renninger <trenn@suse.de>
Cc: Len Brown <len.brown@intel.com>
Cc: Pavel Machek <pavel@ucw.cz>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: linux-pm@lists.linux-foundation.org
LKML-Reference: <1294253342-29056-2-git-send-email-j-pihet@ti.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

Showing 1 changed file with 3 additions and 0 deletions Side-by-side Diff

kernel/power/suspend.c
Diff comments   View file @ 938cfed
... ... @@ -22,6 +22,7 @@
22 22 #include <linux/mm.h>
23 23 #include <linux/slab.h>
24 24 #include <linux/suspend.h>
  25 +#include <trace/events/power.h>
25 26  
26 27 #include "power.h"
27 28  
... ... @@ -201,6 +202,7 @@
201 202 if (!suspend_ops)
202 203 return -ENOSYS;
203 204  
  205 + trace_machine_suspend(state);
204 206 if (suspend_ops->begin) {
205 207 error = suspend_ops->begin(state);
206 208 if (error)
... ... @@ -229,6 +231,7 @@
229 231 Close:
230 232 if (suspend_ops->end)
231 233 suspend_ops->end();
  234 + trace_machine_suspend(PWR_EVENT_EXIT);
232 235 return error;
233 236  
234 237 Recover_platform: