builtin-bench.c File Reference

#include "perf.h"
#include "util/util.h"
#include <subcmd/parse-options.h>
#include "builtin.h"
#include "bench/bench.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/prctl.h>

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Classes
struct	bench
struct	collection

Macros
#define	for_each_collection(coll)   for (coll = collections; coll->name; coll++)
#define	for_each_bench(coll, bench)   for (bench = coll->benchmarks; bench && bench->name; bench++)

Typedefs
typedef int(*	bench_fn_t) (int argc, const char **argv)

Functions
static void	dump_benchmarks (struct collection *coll)
static void	print_usage (void)
static int	bench_str2int (const char *str)
static int	run_bench (const char *coll_name, const char *bench_name, bench_fn_t fn, int argc, const char **argv)
static void	run_collection (struct collection *coll)
static void	run_all_collections (void)
int	cmd_bench (int argc, const char **argv)

Variables
static struct bench	sched_benchmarks []
static struct bench	mem_benchmarks []
static struct bench	futex_benchmarks []
static struct collection	collections []
static const char *	bench_format_str
int	bench_format = BENCH_FORMAT_DEFAULT
unsigned int	bench_repeat = 10
static const struct option	bench_options []
static const char *const	bench_usage []

Macro Definition Documentation

for_each_bench

#define for_each_bench	(		coll,
			bench
	)		for (bench = coll->benchmarks; bench && bench->name; bench++)

Definition at line 92 of file builtin-bench.c.

for_each_collection

#define for_each_collection

(

coll

)

for (coll = collections; coll->name; coll++)

Definition at line 88 of file builtin-bench.c.

Typedef Documentation

bench_fn_t

typedef int(* bench_fn_t) (int argc, const char **argv)

Definition at line 29 of file builtin-bench.c.

Function Documentation

bench_str2int()

static int bench_str2int ( const char *  str )

static

Definition at line 141 of file builtin-bench.c.

cmd_bench()

int cmd_bench	(	int	argc,
		const char **	argv
	)

Definition at line 215 of file builtin-bench.c.

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dump_benchmarks()

static void dump_benchmarks ( struct collection *  coll )

static

Definition at line 95 of file builtin-bench.c.

print_usage()

static void print_usage ( void  )

static

Definition at line 124 of file builtin-bench.c.

run_all_collections()

static void run_all_collections ( void  )

static

Definition at line 207 of file builtin-bench.c.

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run_bench()

static int run_bench ( const char *  coll_name, const char *  bench_name, bench_fn_t  fn, int  argc, const char **  argv  )

static

Definition at line 158 of file builtin-bench.c.

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run_collection()

static void run_collection ( struct collection *  coll )

static

Definition at line 182 of file builtin-bench.c.

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Variable Documentation

bench_format

int bench_format = BENCH_FORMAT_DEFAULT

Definition at line 110 of file builtin-bench.c.

bench_format_str

const char* bench_format_str

static

Definition at line 107 of file builtin-bench.c.

bench_options

const struct option bench_options[]

static

Initial value:

= {
    OPT_STRING('f', "format", &bench_format_str, "default|simple", "Specify the output formatting style"),
    OPT_UINTEGER('r', "repeat",  &bench_repeat,   "Specify amount of times to repeat the run"),

}

Definition at line 113 of file builtin-bench.c.

bench_repeat

unsigned int bench_repeat = 10

Definition at line 111 of file builtin-bench.c.

bench_usage

const char* const bench_usage[]

static

Initial value:

= {
    "perf bench [<common options>] <collection> <benchmark> [<options>]",
    NULL
}

Definition at line 119 of file builtin-bench.c.

collections

struct collection collections[]

static

Initial value:

= {
    { "sched",  "Scheduler and IPC benchmarks",         sched_benchmarks    },
    { "mem",    "Memory access benchmarks",         mem_benchmarks      },



    {"futex",       "Futex stressing benchmarks",                   futex_benchmarks        },
    { "all",    "All benchmarks",               NULL            },
    { NULL,     NULL,                       NULL            }
}

Definition at line 76 of file builtin-bench.c.

futex_benchmarks

struct bench futex_benchmarks[]

static

Initial value:

= {
    { "hash",   "Benchmark for futex hash table",               bench_futex_hash    },
    { "wake",   "Benchmark for futex wake calls",               bench_futex_wake    },
    { "wake-parallel", "Benchmark for parallel futex wake calls",   bench_futex_wake_parallel },
    { "requeue",    "Benchmark for futex requeue calls",            bench_futex_requeue },
    
    { "lock-pi",    "Benchmark for futex lock_pi calls",            bench_futex_lock_pi },
    { "all",    "Run all futex benchmarks",         NULL            },
    { NULL,     NULL,                       NULL            }
}

Definition at line 59 of file builtin-bench.c.

mem_benchmarks

struct bench mem_benchmarks[]

static

Initial value:

= {
    { "memcpy", "Benchmark for memcpy() functions",     bench_mem_memcpy    },
    { "memset", "Benchmark for memset() functions",     bench_mem_memset    },
    { "all",    "Run all memory access benchmarks",     NULL            },
    { NULL,     NULL,                       NULL            }
}

Definition at line 52 of file builtin-bench.c.

sched_benchmarks

struct bench sched_benchmarks[]

static

Initial value:

= {
    { "messaging",  "Benchmark for scheduling and IPC",     bench_sched_messaging   },
    { "pipe",   "Benchmark for pipe() between two processes",   bench_sched_pipe    },
    { "all",    "Run all scheduler benchmarks",     NULL            },
    { NULL,     NULL,                       NULL            }
}

Definition at line 45 of file builtin-bench.c.