diff options
Diffstat (limited to 'kernel/sched_debug.c')
| -rw-r--r-- | kernel/sched_debug.c | 52 |
1 files changed, 32 insertions, 20 deletions
diff --git a/kernel/sched_debug.c b/kernel/sched_debug.c index 29f2c21e7da..c3ee38bd342 100644 --- a/kernel/sched_debug.c +++ b/kernel/sched_debug.c @@ -29,29 +29,34 @@ } while (0) static void -print_task(struct seq_file *m, struct rq *rq, struct task_struct *p, u64 now) +print_task(struct seq_file *m, struct rq *rq, struct task_struct *p) { if (rq->curr == p) SEQ_printf(m, "R"); else SEQ_printf(m, " "); - SEQ_printf(m, "%15s %5d %15Ld %13Ld %13Ld %9Ld %5d " - "%15Ld %15Ld %15Ld %15Ld %15Ld\n", + SEQ_printf(m, "%15s %5d %15Ld %13Ld %13Ld %9Ld %5d ", p->comm, p->pid, (long long)p->se.fair_key, (long long)(p->se.fair_key - rq->cfs.fair_clock), (long long)p->se.wait_runtime, (long long)(p->nvcsw + p->nivcsw), - p->prio, + p->prio); +#ifdef CONFIG_SCHEDSTATS + SEQ_printf(m, "%15Ld %15Ld %15Ld %15Ld %15Ld\n", (long long)p->se.sum_exec_runtime, (long long)p->se.sum_wait_runtime, (long long)p->se.sum_sleep_runtime, (long long)p->se.wait_runtime_overruns, (long long)p->se.wait_runtime_underruns); +#else + SEQ_printf(m, "%15Ld %15Ld %15Ld %15Ld %15Ld\n", + 0LL, 0LL, 0LL, 0LL, 0LL); +#endif } -static void print_rq(struct seq_file *m, struct rq *rq, int rq_cpu, u64 now) +static void print_rq(struct seq_file *m, struct rq *rq, int rq_cpu) { struct task_struct *g, *p; @@ -72,7 +77,7 @@ static void print_rq(struct seq_file *m, struct rq *rq, int rq_cpu, u64 now) if (!p->se.on_rq || task_cpu(p) != rq_cpu) continue; - print_task(m, rq, p, now); + print_task(m, rq, p); } while_each_thread(g, p); read_unlock_irq(&tasklist_lock); @@ -101,9 +106,9 @@ print_cfs_rq_runtime_sum(struct seq_file *m, int cpu, struct cfs_rq *cfs_rq) (long long)wait_runtime_rq_sum); } -void print_cfs_rq(struct seq_file *m, int cpu, struct cfs_rq *cfs_rq, u64 now) +void print_cfs_rq(struct seq_file *m, int cpu, struct cfs_rq *cfs_rq) { - SEQ_printf(m, "\ncfs_rq %p\n", cfs_rq); + SEQ_printf(m, "\ncfs_rq\n"); #define P(x) \ SEQ_printf(m, " .%-30s: %Ld\n", #x, (long long)(cfs_rq->x)) @@ -119,7 +124,7 @@ void print_cfs_rq(struct seq_file *m, int cpu, struct cfs_rq *cfs_rq, u64 now) print_cfs_rq_runtime_sum(m, cpu, cfs_rq); } -static void print_cpu(struct seq_file *m, int cpu, u64 now) +static void print_cpu(struct seq_file *m, int cpu) { struct rq *rq = &per_cpu(runqueues, cpu); @@ -149,10 +154,11 @@ static void print_cpu(struct seq_file *m, int cpu, u64 now) P(next_balance); P(curr->pid); P(clock); + P(idle_clock); P(prev_clock_raw); P(clock_warps); P(clock_overflows); - P(clock_unstable_events); + P(clock_deep_idle_events); P(clock_max_delta); P(cpu_load[0]); P(cpu_load[1]); @@ -161,9 +167,9 @@ static void print_cpu(struct seq_file *m, int cpu, u64 now) P(cpu_load[4]); #undef P - print_cfs_stats(m, cpu, now); + print_cfs_stats(m, cpu); - print_rq(m, rq, cpu, now); + print_rq(m, rq, cpu); } static int sched_debug_show(struct seq_file *m, void *v) @@ -171,7 +177,7 @@ static int sched_debug_show(struct seq_file *m, void *v) u64 now = ktime_to_ns(ktime_get()); int cpu; - SEQ_printf(m, "Sched Debug Version: v0.05, %s %.*s\n", + SEQ_printf(m, "Sched Debug Version: v0.05-v20, %s %.*s\n", init_utsname()->release, (int)strcspn(init_utsname()->version, " "), init_utsname()->version); @@ -179,14 +185,14 @@ static int sched_debug_show(struct seq_file *m, void *v) SEQ_printf(m, "now at %Lu nsecs\n", (unsigned long long)now); for_each_online_cpu(cpu) - print_cpu(m, cpu, now); + print_cpu(m, cpu); SEQ_printf(m, "\n"); return 0; } -void sysrq_sched_debug_show(void) +static void sysrq_sched_debug_show(void) { sched_debug_show(NULL, NULL); } @@ -200,7 +206,7 @@ static struct file_operations sched_debug_fops = { .open = sched_debug_open, .read = seq_read, .llseek = seq_lseek, - .release = seq_release, + .release = single_release, }; static int __init init_sched_debug_procfs(void) @@ -235,21 +241,24 @@ void proc_sched_show_task(struct task_struct *p, struct seq_file *m) #define P(F) \ SEQ_printf(m, "%-25s:%20Ld\n", #F, (long long)p->F) - P(se.wait_start); + P(se.wait_runtime); P(se.wait_start_fair); P(se.exec_start); - P(se.sleep_start); P(se.sleep_start_fair); + P(se.sum_exec_runtime); + +#ifdef CONFIG_SCHEDSTATS + P(se.wait_start); + P(se.sleep_start); P(se.block_start); P(se.sleep_max); P(se.block_max); P(se.exec_max); P(se.wait_max); - P(se.wait_runtime); P(se.wait_runtime_overruns); P(se.wait_runtime_underruns); P(se.sum_wait_runtime); - P(se.sum_exec_runtime); +#endif SEQ_printf(m, "%-25s:%20Ld\n", "nr_switches", (long long)(p->nvcsw + p->nivcsw)); P(se.load.weight); @@ -269,7 +278,10 @@ void proc_sched_show_task(struct task_struct *p, struct seq_file *m) void proc_sched_set_task(struct task_struct *p) { +#ifdef CONFIG_SCHEDSTATS p->se.sleep_max = p->se.block_max = p->se.exec_max = p->se.wait_max = 0; p->se.wait_runtime_overruns = p->se.wait_runtime_underruns = 0; +#endif p->se.sum_exec_runtime = 0; + p->se.prev_sum_exec_runtime = 0; } |