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sched/debug: Fix the runnable tasks output

The current runnable tasks output looks like: runnable tasks: S task PID tree-key switches prio wait-time sum-exec sum-sleep ------------------------------------------------------------------------------------------------------------- Ikworker/R-rcu_g 4 0.129049 E 0.620179 0.750000 0.002920 2 100 0.000000 0.002920 0.000000 0.000000 0 0 / Ikworker/R-sync_ 5 0.125328 E 0.624147 0.750000 0.001840 2 100 0.000000 0.001840 0.000000 0.000000 0 0 / Ikworker/R-slub_ 6 0.120835 E 0.628680 0.750000 0.001800 2 100 0.000000 0.001800 0.000000 0.000000 0 0 / Ikworker/R-netns 7 0.114294 E 0.634701 0.750000 0.002400 2 100 0.000000 0.002400 0.000000 0.000000 0 0 / I kworker/0:1 9 508.781746 E 511.754666 3.000000 151.575240 224 120 0.000000 151.575240 0.000000 0.000000 0 0 / Which is messy. Remove the duplicate printing of sum_exec_runtime and tidy up the layout to make it look like: runnable tasks: S task PID vruntime eligible deadline slice sum-exec switches prio wait-time sum-sleep sum-block node group-id group-path ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- I kworker/0:3 1698 295.001459 E 297.977619 3.000000 38.862920 9 120 0.000000 0.000000 0.000000 0 0 / I kworker/0:4 1702 278.026303 E 281.026303 3.000000 9.918760 3 120 0.000000 0.000000 0.000000 0 0 / S NetworkManager 2646 0.377936 E 2.598104 3.000000 98.535880 314 120 0.000000 0.000000 0.000000 0 0 /system.slice/NetworkManager.service S virtqemud 2689 0.541016 E 2.440104 3.000000 50.967960 80 120 0.000000 0.000000 0.000000 0 0 /system.slice/virtqemud.service S gsd-smartcard 3058 73.604144 E 76.475904 3.000000 74.033320 88 120 0.000000 0.000000 0.000000 0 0 /user.slice/user-42.slice/session-c1.scope

Huang Shijie committed 2 years ago

Commit 2cab4bd1 parent c662e2b1 file · +23 −8Browse files

Showing the changes to kernel/sched/debug.c (1 of 1 file). Show all

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kernel/sched/debug.c+23−8
@@ -739,7 +739,7 @@ print_task(struct seq_file *m, struct rq *rq, struct task_struct *p) · 738 unmodified lines
739739 else
740740 SEQ_printf(m, " %c", task_state_to_char(p));
741741
742− SEQ_printf(m, "%15s %5d %9Ld.%06ld %c %9Ld.%06ld %c %9Ld.%06ld %9Ld.%06ld %9Ld %5d ",
742+ SEQ_printf(m, " %15s %5d %9Ld.%06ld %c %9Ld.%06ld %c %9Ld.%06ld %9Ld.%06ld %9Ld %5d ",
743743 p->comm, task_pid_nr(p),
744744 SPLIT_NS(p->se.vruntime),
745745 entity_eligible(cfs_rq_of(&p->se), &p->se) ? 'E' : 'N',
@@ -750,17 +750,16 @@ print_task(struct seq_file *m, struct rq *rq, struct task_struct *p) · 4 unmodified lines
750750 (long long)(p->nvcsw + p->nivcsw),
751751 p->prio);
752752
753− SEQ_printf(m, "%9lld.%06ld %9lld.%06ld %9lld.%06ld %9lld.%06ld",
753+ SEQ_printf(m, "%9lld.%06ld %9lld.%06ld %9lld.%06ld",
754754 SPLIT_NS(schedstat_val_or_zero(p->stats.wait_sum)),
755− SPLIT_NS(p->se.sum_exec_runtime),
756755 SPLIT_NS(schedstat_val_or_zero(p->stats.sum_sleep_runtime)),
757756 SPLIT_NS(schedstat_val_or_zero(p->stats.sum_block_runtime)));
758757
759758 #ifdef CONFIG_NUMA_BALANCING
760− SEQ_printf(m, " %d %d", task_node(p), task_numa_group_id(p));
759+ SEQ_printf(m, " %d %d", task_node(p), task_numa_group_id(p));
761760 #endif
762761 #ifdef CONFIG_CGROUP_SCHED
763− SEQ_printf_task_group_path(m, task_group(p), " %s")
762+ SEQ_printf_task_group_path(m, task_group(p), " %s")
764763 #endif
765764
766765 SEQ_printf(m, "\n");
@@ -772,10 +771,26 @@ static void print_rq(struct seq_file *m, struct rq *rq, int rq_cpu) · 5 unmodified lines
772771
773772 SEQ_printf(m, "\n");
774773 SEQ_printf(m, "runnable tasks:\n");
775− SEQ_printf(m, " S task PID tree-key switches prio"
776− " wait-time sum-exec sum-sleep\n");
774+ SEQ_printf(m, " S task PID vruntime eligible "
775+ "deadline slice sum-exec switches "
776+ "prio wait-time sum-sleep sum-block"
777+#ifdef CONFIG_NUMA_BALANCING
778+ " node group-id"
779+#endif
780+#ifdef CONFIG_CGROUP_SCHED
781+ " group-path"
782+#endif
783+ "\n");
777784 SEQ_printf(m, "-------------------------------------------------------"
778− "------------------------------------------------------\n");
785+ "------------------------------------------------------"
786+ "------------------------------------------------------"
787+#ifdef CONFIG_NUMA_BALANCING
788+ "--------------"
789+#endif
790+#ifdef CONFIG_CGROUP_SCHED
791+ "--------------"
792+#endif
793+ "\n");
779794
780795 rcu_read_lock();
781796 for_each_process_thread(g, p) {

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