static void print_rq(struct seq_file *m, struct rq *rq, int rq_cpu)
{
struct task_struct *g, *p;
+ unsigned long flags;
SEQ_printf(m,
"\nrunnable tasks:\n"
"------------------------------------------------------"
"----------------------------------------------------\n");
- read_lock_irq(&tasklist_lock);
+ read_lock_irqsave(&tasklist_lock, flags);
do_each_thread(g, p) {
if (!p->se.on_rq || task_cpu(p) != rq_cpu)
print_task(m, rq, p);
} while_each_thread(g, p);
- read_unlock_irq(&tasklist_lock);
+ read_unlock_irqrestore(&tasklist_lock, flags);
}
void print_cfs_rq(struct seq_file *m, int cpu, struct cfs_rq *cfs_rq)
SPLIT_NS(spread0));
SEQ_printf(m, " .%-30s: %ld\n", "nr_running", cfs_rq->nr_running);
SEQ_printf(m, " .%-30s: %ld\n", "load", cfs_rq->load.weight);
+#ifdef CONFIG_SCHEDSTATS
+ SEQ_printf(m, " .%-30s: %d\n", "bkl_count",
+ rq->bkl_count);
+#endif
+ SEQ_printf(m, " .%-30s: %ld\n", "nr_spread_over",
+ cfs_rq->nr_spread_over);
}
static void print_cpu(struct seq_file *m, int cpu)
u64 now = ktime_to_ns(ktime_get());
int cpu;
- SEQ_printf(m, "Sched Debug Version: v0.05-v20, %s %.*s\n",
+ SEQ_printf(m, "Sched Debug Version: v0.07, %s %.*s\n",
init_utsname()->release,
(int)strcspn(init_utsname()->version, " "),
init_utsname()->version);
SEQ_printf(m, "now at %Lu.%06ld msecs\n", SPLIT_NS(now));
+#define P(x) \
+ SEQ_printf(m, " .%-40s: %Ld\n", #x, (long long)(x))
+#define PN(x) \
+ SEQ_printf(m, " .%-40s: %Ld.%06ld\n", #x, SPLIT_NS(x))
+ PN(sysctl_sched_latency);
+ PN(sysctl_sched_min_granularity);
+ PN(sysctl_sched_wakeup_granularity);
+ PN(sysctl_sched_batch_wakeup_granularity);
+ PN(sysctl_sched_child_runs_first);
+ P(sysctl_sched_features);
+#undef PN
+#undef P
+
for_each_online_cpu(cpu)
print_cpu(m, cpu);
return single_open(filp, sched_debug_show, NULL);
}
-static struct file_operations sched_debug_fops = {
+static const struct file_operations sched_debug_fops = {
.open = sched_debug_open,
.read = seq_read,
.llseek = seq_lseek,
void proc_sched_show_task(struct task_struct *p, struct seq_file *m)
{
+ unsigned long nr_switches;
unsigned long flags;
int num_threads = 1;
rcu_read_unlock();
SEQ_printf(m, "%s (%d, #threads: %d)\n", p->comm, p->pid, num_threads);
- SEQ_printf(m, "----------------------------------------------\n");
+ SEQ_printf(m,
+ "---------------------------------------------------------\n");
+#define __P(F) \
+ SEQ_printf(m, "%-35s:%21Ld\n", #F, (long long)F)
#define P(F) \
- SEQ_printf(m, "%-25s:%20Ld\n", #F, (long long)p->F)
+ SEQ_printf(m, "%-35s:%21Ld\n", #F, (long long)p->F)
+#define __PN(F) \
+ SEQ_printf(m, "%-35s:%14Ld.%06ld\n", #F, SPLIT_NS((long long)F))
#define PN(F) \
- SEQ_printf(m, "%-25s:%14Ld.%06ld\n", #F, SPLIT_NS((long long)p->F))
+ SEQ_printf(m, "%-35s:%14Ld.%06ld\n", #F, SPLIT_NS((long long)p->F))
PN(se.exec_start);
PN(se.vruntime);
PN(se.sum_exec_runtime);
+ nr_switches = p->nvcsw + p->nivcsw;
+
#ifdef CONFIG_SCHEDSTATS
PN(se.wait_start);
PN(se.sleep_start);
PN(se.exec_max);
PN(se.slice_max);
PN(se.wait_max);
+ P(sched_info.bkl_count);
+ P(se.nr_migrations);
+ P(se.nr_migrations_cold);
+ P(se.nr_failed_migrations_affine);
+ P(se.nr_failed_migrations_running);
+ P(se.nr_failed_migrations_hot);
+ P(se.nr_forced_migrations);
+ P(se.nr_forced2_migrations);
+ P(se.nr_wakeups);
+ P(se.nr_wakeups_sync);
+ P(se.nr_wakeups_migrate);
+ P(se.nr_wakeups_local);
+ P(se.nr_wakeups_remote);
+ P(se.nr_wakeups_affine);
+ P(se.nr_wakeups_affine_attempts);
+ P(se.nr_wakeups_passive);
+ P(se.nr_wakeups_idle);
+
+ {
+ u64 avg_atom, avg_per_cpu;
+
+ avg_atom = p->se.sum_exec_runtime;
+ if (nr_switches)
+ do_div(avg_atom, nr_switches);
+ else
+ avg_atom = -1LL;
+
+ avg_per_cpu = p->se.sum_exec_runtime;
+ if (p->se.nr_migrations) {
+ avg_per_cpu = div64_64(avg_per_cpu,
+ p->se.nr_migrations);
+ } else {
+ avg_per_cpu = -1LL;
+ }
+
+ __PN(avg_atom);
+ __PN(avg_per_cpu);
+ }
#endif
- SEQ_printf(m, "%-25s:%20Ld\n",
- "nr_switches", (long long)(p->nvcsw + p->nivcsw));
+ __P(nr_switches);
+ SEQ_printf(m, "%-35s:%21Ld\n",
+ "nr_voluntary_switches", (long long)p->nvcsw);
+ SEQ_printf(m, "%-35s:%21Ld\n",
+ "nr_involuntary_switches", (long long)p->nivcsw);
+
P(se.load.weight);
P(policy);
P(prio);
-#undef P
#undef PN
+#undef __PN
+#undef P
+#undef __P
{
u64 t0, t1;
t0 = sched_clock();
t1 = sched_clock();
- SEQ_printf(m, "%-25s:%20Ld\n",
+ SEQ_printf(m, "%-35s:%21Ld\n",
"clock-delta", (long long)(t1-t0));
}
}
void proc_sched_set_task(struct task_struct *p)
{
#ifdef CONFIG_SCHEDSTATS
- p->se.sleep_max = 0;
- p->se.block_max = 0;
- p->se.exec_max = 0;
- p->se.slice_max = 0;
- p->se.wait_max = 0;
+ p->se.wait_max = 0;
+ p->se.sleep_max = 0;
+ p->se.sum_sleep_runtime = 0;
+ p->se.block_max = 0;
+ p->se.exec_max = 0;
+ p->se.slice_max = 0;
+ p->se.nr_migrations = 0;
+ p->se.nr_migrations_cold = 0;
+ p->se.nr_failed_migrations_affine = 0;
+ p->se.nr_failed_migrations_running = 0;
+ p->se.nr_failed_migrations_hot = 0;
+ p->se.nr_forced_migrations = 0;
+ p->se.nr_forced2_migrations = 0;
+ p->se.nr_wakeups = 0;
+ p->se.nr_wakeups_sync = 0;
+ p->se.nr_wakeups_migrate = 0;
+ p->se.nr_wakeups_local = 0;
+ p->se.nr_wakeups_remote = 0;
+ p->se.nr_wakeups_affine = 0;
+ p->se.nr_wakeups_affine_attempts = 0;
+ p->se.nr_wakeups_passive = 0;
+ p->se.nr_wakeups_idle = 0;
+ p->sched_info.bkl_count = 0;
#endif
- p->se.sum_exec_runtime = 0;
- p->se.prev_sum_exec_runtime = 0;
+ p->se.sum_exec_runtime = 0;
+ p->se.prev_sum_exec_runtime = 0;
+ p->nvcsw = 0;
+ p->nivcsw = 0;
}
git.samba.org / sfrench / cifs-2.6.git / blobdiff