change system file

hc

2024-10-09 244b2c5ca8b14627e4a17755e5922221e121c771

 kernel/tools/perf/builtin-bench.c
..
..
@@ -11,20 +11,22 @@
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  * Available benchmark collection list:
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  *
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  *  sched ... scheduler and IPC performance
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+ *  syscall ... System call performance
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  *  mem   ... memory access performance
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  *  numa  ... NUMA scheduling and MM performance
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  *  futex ... Futex performance
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+ *  epoll ... Event poll performance
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  */
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-#include "perf.h"
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-#include "util/util.h"
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 #include <subcmd/parse-options.h>
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 #include "builtin.h"
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 #include "bench/bench.h"
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+#include <locale.h>
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 #include <stdio.h>
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 #include <stdlib.h>
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 #include <string.h>
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 #include <sys/prctl.h>
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+#include <linux/zalloc.h>
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 typedef int (*bench_fn_t)(int argc, const char **argv);
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..
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@@ -49,9 +51,16 @@
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 	{ NULL,		NULL,						NULL			}
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 };
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+static struct bench syscall_benchmarks[] = {
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+	{ "basic",	"Benchmark for basic getppid(2) calls",		bench_syscall_basic	},
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+	{ "all",	"Run all syscall benchmarks",			NULL			},
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+	{ NULL,		NULL,						NULL			},
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+};
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+
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 static struct bench mem_benchmarks[] = {
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 	{ "memcpy",	"Benchmark for memcpy() functions",		bench_mem_memcpy	},
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 	{ "memset",	"Benchmark for memset() functions",		bench_mem_memset	},
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+	{ "find_bit",	"Benchmark for find_bit() functions",		bench_mem_find_bit	},
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 	{ "all",	"Run all memory access benchmarks",		NULL			},
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 	{ NULL,		NULL,						NULL			}
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 };
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@@ -67,6 +76,22 @@
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 	{ NULL,		NULL,						NULL			}
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 };
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+#ifdef HAVE_EVENTFD_SUPPORT
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+static struct bench epoll_benchmarks[] = {
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+	{ "wait",	"Benchmark epoll concurrent epoll_waits",       bench_epoll_wait	},
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+	{ "ctl",	"Benchmark epoll concurrent epoll_ctls",        bench_epoll_ctl		},
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+	{ "all",	"Run all futex benchmarks",			NULL			},
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+	{ NULL,		NULL,						NULL			}
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+};
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+#endif // HAVE_EVENTFD_SUPPORT
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+
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+static struct bench internals_benchmarks[] = {
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+	{ "synthesize", "Benchmark perf event synthesis",	bench_synthesize	},
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+	{ "kallsyms-parse", "Benchmark kallsyms parsing",	bench_kallsyms_parse	},
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+	{ "inject-build-id", "Benchmark build-id injection",	bench_inject_build_id	},
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+	{ NULL,		NULL,					NULL			}
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+};
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+
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 struct collection {
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 	const char	*name;
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 	const char	*summary;
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@@ -75,11 +100,16 @@
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 static struct collection collections[] = {
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 	{ "sched",	"Scheduler and IPC benchmarks",			sched_benchmarks	},
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+	{ "syscall",	"System call benchmarks",			syscall_benchmarks	},
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 	{ "mem",	"Memory access benchmarks",			mem_benchmarks		},
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 #ifdef HAVE_LIBNUMA_SUPPORT
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 	{ "numa",	"NUMA scheduling and MM benchmarks",		numa_benchmarks		},
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 #endif
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 	{"futex",       "Futex stressing benchmarks",                   futex_benchmarks        },
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+#ifdef HAVE_EVENTFD_SUPPORT
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+	{"epoll",       "Epoll stressing benchmarks",                   epoll_benchmarks        },
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+#endif
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+	{ "internals",	"Perf-internals benchmarks",			internals_benchmarks	},
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 	{ "all",	"All benchmarks",				NULL			},
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 	{ NULL,		NULL,						NULL			}
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 };
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@@ -196,7 +226,6 @@
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 		if (!bench->fn)
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 			break;
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 		printf("# Running %s/%s benchmark...\n", coll->name, bench->name);
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-		fflush(stdout);
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 		argv[1] = bench->name;
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 		run_bench(coll->name, bench->name, bench->fn, 1, argv);
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@@ -216,6 +245,10 @@
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 {
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 	struct collection *coll;
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 	int ret = 0;
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+
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+	/* Unbuffered output */
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+	setvbuf(stdout, NULL, _IONBF, 0);
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+	setlocale(LC_ALL, "");
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 	if (argc < 2) {
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 		/* No collection specified. */
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@@ -270,7 +303,6 @@
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 			if (bench_format == BENCH_FORMAT_DEFAULT)
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 				printf("# Running '%s/%s' benchmark:\n", coll->name, bench->name);
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-			fflush(stdout);
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 			ret = run_bench(coll->name, bench->name, bench->fn, argc-1, argv+1);
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 			goto end;
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 		}