tools/lib/perf/include/perf/schedstat-v15.h

Source file repositories/reference/linux-study-clean/tools/lib/perf/include/perf/schedstat-v15.h

File Facts

System
Linux kernel
Corpus path
tools/lib/perf/include/perf/schedstat-v15.h
Extension
.h
Size
6685 bytes
Lines
147
Domain
Support Tooling And Documentation
Bucket
tools
Inferred role
Support Tooling And Documentation: implementation source
Status
source implementation candidate

Why This File Exists

Repository support layer: documentation, build tooling, samples, user-space helper tools, generated initramfs support, licenses, and validation utilities.

Dependency Surface

Detected Declarations

Annotated Snippet

#ifdef CPU_FIELD
CPU_FIELD(__u32, yld_count, "sched_yield() count",
	  "%11u", false, yld_count, v15);
CPU_FIELD(__u32, array_exp, "Legacy counter can be ignored",
	  "%11u", false, array_exp, v15);
CPU_FIELD(__u32, sched_count, "schedule() called",
	  "%11u", false, sched_count, v15);
CPU_FIELD(__u32, sched_goidle, "schedule() left the processor idle",
	  "%11u", true, sched_count, v15);
CPU_FIELD(__u32, ttwu_count, "try_to_wake_up() was called",
	  "%11u", false, ttwu_count, v15);
CPU_FIELD(__u32, ttwu_local, "try_to_wake_up() was called to wake up the local cpu",
	  "%11u", true, ttwu_count, v15);
CPU_FIELD(__u64, rq_cpu_time, "total runtime by tasks on this processor (in jiffies)",
	  "%11llu", false, rq_cpu_time, v15);
CPU_FIELD(__u64, run_delay, "total waittime by tasks on this processor (in jiffies)",
	  "%11llu", true, rq_cpu_time, v15);
CPU_FIELD(__u64, pcount, "total timeslices run on this cpu",
	  "%11llu", false, pcount, v15);
#endif

#ifdef DOMAIN_FIELD
#ifdef DOMAIN_CATEGORY
DOMAIN_CATEGORY(" <Category idle> ");
#endif
DOMAIN_FIELD(__u32, idle_lb_count,
	     "load_balance() count on cpu idle", "%11u", true, v15);
DOMAIN_FIELD(__u32, idle_lb_balanced,
	     "load_balance() found balanced on cpu idle", "%11u", true, v15);
DOMAIN_FIELD(__u32, idle_lb_failed,
	     "load_balance() move task failed on cpu idle", "%11u", true, v15);
DOMAIN_FIELD(__u32, idle_lb_imbalance,
	     "imbalance sum on cpu idle", "%11u", false, v15);
DOMAIN_FIELD(__u32, idle_lb_gained,
	     "pull_task() count on cpu idle", "%11u", false, v15);
DOMAIN_FIELD(__u32, idle_lb_hot_gained,
	     "pull_task() when target task was cache-hot on cpu idle", "%11u", false, v15);
DOMAIN_FIELD(__u32, idle_lb_nobusyq,
	     "load_balance() failed to find busier queue on cpu idle", "%11u", true, v15);
DOMAIN_FIELD(__u32, idle_lb_nobusyg,
	     "load_balance() failed to find busier group on cpu idle", "%11u", true, v15);
#ifdef DERIVED_CNT_FIELD
DERIVED_CNT_FIELD(idle_lb_success_count, "load_balance() success count on cpu idle", "%11u",
		  idle_lb_count, idle_lb_balanced, idle_lb_failed, v15);
#endif
#ifdef DERIVED_AVG_FIELD
DERIVED_AVG_FIELD(idle_lb_avg_pulled,
		  "avg task pulled per successful lb attempt (cpu idle)", "%11.2Lf",
		  idle_lb_count, idle_lb_balanced, idle_lb_failed, idle_lb_gained, v15);
#endif
#ifdef DOMAIN_CATEGORY
DOMAIN_CATEGORY(" <Category busy> ");
#endif
DOMAIN_FIELD(__u32, busy_lb_count,
	     "load_balance() count on cpu busy", "%11u", true, v15);
DOMAIN_FIELD(__u32, busy_lb_balanced,
	     "load_balance() found balanced on cpu busy", "%11u", true, v15);
DOMAIN_FIELD(__u32, busy_lb_failed,
	     "load_balance() move task failed on cpu busy", "%11u", true, v15);
DOMAIN_FIELD(__u32, busy_lb_imbalance,
	     "imbalance sum on cpu busy", "%11u", false, v15);
DOMAIN_FIELD(__u32, busy_lb_gained,
	     "pull_task() count on cpu busy", "%11u", false, v15);
DOMAIN_FIELD(__u32, busy_lb_hot_gained,
	     "pull_task() when target task was cache-hot on cpu busy", "%11u", false, v15);
DOMAIN_FIELD(__u32, busy_lb_nobusyq,
	     "load_balance() failed to find busier queue on cpu busy", "%11u", true, v15);
DOMAIN_FIELD(__u32, busy_lb_nobusyg,
	     "load_balance() failed to find busier group on cpu busy", "%11u", true, v15);
#ifdef DERIVED_CNT_FIELD
DERIVED_CNT_FIELD(busy_lb_success_count, "load_balance() success count on cpu busy", "%11u",
		  busy_lb_count, busy_lb_balanced, busy_lb_failed, v15);
#endif
#ifdef DERIVED_AVG_FIELD
DERIVED_AVG_FIELD(busy_lb_avg_pulled,
		  "avg task pulled per successful lb attempt (cpu busy)", "%11.2Lf",
		  busy_lb_count, busy_lb_balanced, busy_lb_failed, busy_lb_gained, v15);
#endif
#ifdef DOMAIN_CATEGORY
DOMAIN_CATEGORY(" <Category newidle> ");
#endif
DOMAIN_FIELD(__u32, newidle_lb_count,
	     "load_balance() count on cpu newly idle", "%11u", true, v15);
DOMAIN_FIELD(__u32, newidle_lb_balanced,
	     "load_balance() found balanced on cpu newly idle", "%11u", true, v15);
DOMAIN_FIELD(__u32, newidle_lb_failed,
	     "load_balance() move task failed on cpu newly idle", "%11u", true, v15);
DOMAIN_FIELD(__u32, newidle_lb_imbalance,
	     "imbalance sum on cpu newly idle", "%11u", false, v15);
DOMAIN_FIELD(__u32, newidle_lb_gained,

Annotation

Implementation Notes