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| author |   Ingo Molnar <mingo@elte.hu> | 2011-12-20 12:10:29 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2011-12-20 12:10:29 +0100 |
| commit | 124ba9403318d834ef21bcd899c22c870708d2c4 (patch) | |
| tree | 2ac84214085de8780dfa565be7e3ef0d675f6a68 /arch/s390/oprofile/hwsampler.c | |
| parent | perf tools: Add ability to synthesize event according to a sample (diff) | |
| parent | oprofile, s390: Add event interface to the System z hardware sampling module (diff) | |
| download | linux-dev-124ba9403318d834ef21bcd899c22c870708d2c4.tar.xz linux-dev-124ba9403318d834ef21bcd899c22c870708d2c4.zip | |
Merge branch 'for-tip' of git://git.kernel.org/pub/scm/linux/kernel/git/rric/oprofile into perf/core
Diffstat (limited to 'arch/s390/oprofile/hwsampler.c')
| -rw-r--r-- | arch/s390/oprofile/hwsampler.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/arch/s390/oprofile/hwsampler.c b/arch/s390/oprofile/hwsampler.c index f43c0e4282af..9daee91e6c3f 100644 --- a/arch/s390/oprofile/hwsampler.c +++ b/arch/s390/oprofile/hwsampler.c @@ -22,6 +22,7 @@ #include <asm/irq.h> #include "hwsampler.h" +#include "op_counter.h" #define MAX_NUM_SDB 511 #define MIN_NUM_SDB 1 @@ -896,6 +897,8 @@ static void add_samples_to_oprofile(unsigned int cpu, unsigned long *sdbt, if (sample_data_ptr->P == 1) { /* userspace sample */ unsigned int pid = sample_data_ptr->prim_asn; + if (!counter_config.user) + goto skip_sample; rcu_read_lock(); tsk = pid_task(find_vpid(pid), PIDTYPE_PID); if (tsk) @@ -903,6 +906,8 @@ static void add_samples_to_oprofile(unsigned int cpu, unsigned long *sdbt, rcu_read_unlock(); } else { /* kernelspace sample */ + if (!counter_config.kernel) + goto skip_sample; regs = task_pt_regs(current); } @@ -910,7 +915,7 @@ static void add_samples_to_oprofile(unsigned int cpu, unsigned long *sdbt, oprofile_add_ext_hw_sample(sample_data_ptr->ia, regs, 0, !sample_data_ptr->P, tsk); mutex_unlock(&hws_sem); - + skip_sample: sample_data_ptr++; } } |