diff options
| author | Antti P Miettinen <amiettinen@nvidia.com> | 2013-04-15 15:46:56 +0300 |
|---|---|---|
| committer | Dan Willemsen <dwillemsen@nvidia.com> | 2013-09-14 13:08:12 -0700 |
| commit | f19220f849fe6f7916133a12d7d66c6013e6262c (patch) | |
| tree | 46183ff6e56ed3548a1a9ce68fd263c3cae57939 /arch/arm/mach-tegra/clock.c | |
| parent | 6bba83a4756aacfdd78ec82f2f82e338ebee4d03 (diff) | |
ARM: Tegra: clock: Clock set latency tracing
Add traces for clock set latency measurements.
Change-Id: I5bdd00145f32da59ed294c8414d44fba8f3a81ca
Signed-off-by: Antti P Miettinen <amiettinen@nvidia.com>
Reviewed-on: http://git-master/r/219386
Reviewed-by: Automatic_Commit_Validation_User
GVS: Gerrit_Virtual_Submit
Reviewed-by: Juha Tukkinen <jtukkinen@nvidia.com>
Diffstat (limited to 'arch/arm/mach-tegra/clock.c')
| -rw-r--r-- | arch/arm/mach-tegra/clock.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/arm/mach-tegra/clock.c b/arch/arm/mach-tegra/clock.c index c24ad8633a96..6c94c75b112b 100644 --- a/arch/arm/mach-tegra/clock.c +++ b/arch/arm/mach-tegra/clock.c @@ -579,12 +579,16 @@ int clk_set_rate(struct clk *c, unsigned long rate) if (!c->ops || !c->ops->set_rate) return -ENOSYS; + trace_clock_set_start(c->name, rate, raw_smp_processor_id()); + clk_lock_save(c, &flags); ret = clk_set_rate_locked(c, rate); clk_unlock_restore(c, &flags); + trace_clock_set_done(c->name, rate, raw_smp_processor_id()); + return ret; } EXPORT_SYMBOL(clk_set_rate); |