diff options
Diffstat (limited to 'drivers/gator/gator_events_sched.c')
| -rw-r--r-- | drivers/gator/gator_events_sched.c | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/drivers/gator/gator_events_sched.c b/drivers/gator/gator_events_sched.c index 9e3915830182..637107d6af1d 100644 --- a/drivers/gator/gator_events_sched.c +++ b/drivers/gator/gator_events_sched.c @@ -26,8 +26,9 @@ GATOR_DEFINE_PROBE(sched_switch, TP_PROTO(struct task_struct *prev, struct task_ { unsigned long flags; - // disable interrupts to synchronize with gator_events_sched_read() - // spinlocks not needed since percpu buffers are used + /* disable interrupts to synchronize with gator_events_sched_read() + * spinlocks not needed since percpu buffers are used + */ local_irq_save(flags); per_cpu(schedCnt, get_physical_cpu())[SCHED_SWITCH]++; local_irq_restore(flags); @@ -39,9 +40,8 @@ static int gator_events_sched_create_files(struct super_block *sb, struct dentry /* switch */ dir = gatorfs_mkdir(sb, root, "Linux_sched_switch"); - if (!dir) { + if (!dir) return -1; - } gatorfs_create_ulong(sb, dir, "enabled", &sched_switch_enabled); gatorfs_create_ro_ulong(sb, dir, "key", &sched_switch_key); @@ -50,7 +50,7 @@ static int gator_events_sched_create_files(struct super_block *sb, struct dentry static int gator_events_sched_start(void) { - // register tracepoints + /* register tracepoints */ if (sched_switch_enabled) if (GATOR_REGISTER_TRACE(sched_switch)) goto sched_switch_exit; @@ -58,7 +58,7 @@ static int gator_events_sched_start(void) return 0; - // unregister tracepoints on error + /* unregister tracepoints on error */ sched_switch_exit: pr_err("gator: scheduler event tracepoints failed to activate, please verify that tracepoints are enabled in the linux kernel\n"); @@ -74,7 +74,7 @@ static void gator_events_sched_stop(void) sched_switch_enabled = 0; } -static int gator_events_sched_read(int **buffer) +static int gator_events_sched_read(int **buffer, bool sched_switch) { unsigned long flags; int len, value; |