diff options
| author | Ingo Molnar <mingo@elte.hu> | 2009-08-15 12:06:12 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-08-15 12:06:12 +0200 |
| commit | be750231ce1599b86fbba213e3da8344ece262e2 (patch) | |
| tree | a506c461082692bb5bab8b9bb63a762816329454 /arch/x86/kernel/cpu/mcheck/therm_throt.c | |
| parent | 18408ddc01136f505ae357c03f0d8e50b10e0db6 (diff) | |
| parent | 39e6dd73502f64e2ae3236b304e160ae30de9384 (diff) | |
| download | linux-be750231ce1599b86fbba213e3da8344ece262e2.tar.gz linux-be750231ce1599b86fbba213e3da8344ece262e2.tar.bz2 linux-be750231ce1599b86fbba213e3da8344ece262e2.zip | |
Merge branch 'perfcounters/urgent' into perfcounters/core
Conflicts:
kernel/perf_counter.c
Merge reason: update to latest upstream (-rc6) and resolve
the conflict with urgent fixes.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/x86/kernel/cpu/mcheck/therm_throt.c')
| -rw-r--r-- | arch/x86/kernel/cpu/mcheck/therm_throt.c | 18 |
1 files changed, 11 insertions, 7 deletions
diff --git a/arch/x86/kernel/cpu/mcheck/therm_throt.c b/arch/x86/kernel/cpu/mcheck/therm_throt.c index bff8dd191dd5..8bc64cfbe936 100644 --- a/arch/x86/kernel/cpu/mcheck/therm_throt.c +++ b/arch/x86/kernel/cpu/mcheck/therm_throt.c @@ -36,6 +36,7 @@ static DEFINE_PER_CPU(__u64, next_check) = INITIAL_JIFFIES; static DEFINE_PER_CPU(unsigned long, thermal_throttle_count); +static DEFINE_PER_CPU(bool, thermal_throttle_active); static atomic_t therm_throt_en = ATOMIC_INIT(0); @@ -96,24 +97,27 @@ static int therm_throt_process(int curr) { unsigned int cpu = smp_processor_id(); __u64 tmp_jiffs = get_jiffies_64(); + bool was_throttled = __get_cpu_var(thermal_throttle_active); + bool is_throttled = __get_cpu_var(thermal_throttle_active) = curr; - if (curr) + if (is_throttled) __get_cpu_var(thermal_throttle_count)++; - if (time_before64(tmp_jiffs, __get_cpu_var(next_check))) + if (!(was_throttled ^ is_throttled) && + time_before64(tmp_jiffs, __get_cpu_var(next_check))) return 0; __get_cpu_var(next_check) = tmp_jiffs + CHECK_INTERVAL; /* if we just entered the thermal event */ - if (curr) { + if (is_throttled) { printk(KERN_CRIT "CPU%d: Temperature above threshold, " - "cpu clock throttled (total events = %lu)\n", cpu, - __get_cpu_var(thermal_throttle_count)); + "cpu clock throttled (total events = %lu)\n", + cpu, __get_cpu_var(thermal_throttle_count)); add_taint(TAINT_MACHINE_CHECK); - } else { - printk(KERN_CRIT "CPU%d: Temperature/speed normal\n", cpu); + } else if (was_throttled) { + printk(KERN_INFO "CPU%d: Temperature/speed normal\n", cpu); } return 1; |