diff options
| -rw-r--r-- | arch/arm/mach-tegra/cpuidle-t2.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/arch/arm/mach-tegra/cpuidle-t2.c b/arch/arm/mach-tegra/cpuidle-t2.c index 0fccb335e1cb..bda6a414cc4a 100644 --- a/arch/arm/mach-tegra/cpuidle-t2.c +++ b/arch/arm/mach-tegra/cpuidle-t2.c @@ -151,6 +151,8 @@ bool tegra2_lp2_is_allowed(struct cpuidle_device *dev, static int tegra2_idle_lp2_last(struct cpuidle_device *dev, struct cpuidle_state *state, s64 request) { + ktime_t entry_time; + ktime_t exit_time; bool sleep_completed = false; int i; @@ -166,6 +168,8 @@ static int tegra2_idle_lp2_last(struct cpuidle_device *dev, return -EBUSY; } + entry_time = ktime_get(); + if (tegra_idle_lp2_last(request, 0) == 0) sleep_completed = true; else @@ -178,11 +182,16 @@ static int tegra2_idle_lp2_last(struct cpuidle_device *dev, } } + exit_time = ktime_get(); if (sleep_completed) { /* * Stayed in LP2 for the full time until the next tick */ - pr_debug("%lld\n", request); + s64 actual_time = ktime_to_us(ktime_sub(exit_time, entry_time)); + long offset = (long)(actual_time - request); + + pr_debug("%lld %lld %ld\n", request, actual_time, + offset); } return 0; |