c3c0b7197f
Fixes: 1a204b6 "perf: overflow test"
Change-Id: I4d8e93b97f7a8d58ef7811f55b5c995b16c5af69
49 lines
1.1 KiB
C
49 lines
1.1 KiB
C
/* perf_common.h COPYRIGHT FUJITSU LIMITED 2019 */
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#ifndef _PERF_COMMON_H_
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#define _PERF_COMMON_H_
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <string.h>
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#include <errno.h>
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#include <linux/perf_event.h>
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#include <sys/ioctl.h>
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#include <asm/unistd.h>
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#define SAMPLE_PERIOD 30
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#define nop10 do { \
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asm volatile("nop;nop;nop;nop;nop;" \
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"nop;nop;nop;nop;nop"); \
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} while (0)
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//usage
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extern const char *the_app;
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void print_usage(void);
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//system call
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long perf_event_open(struct perf_event_attr *event_attr, pid_t pid,
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int cpu, int group_fd, unsigned long flags);
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int perf_event_ioc_refresh(int fd, void *_args);
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int init_perf_event_attr(struct perf_event_attr *event_attr);
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int asm_ioctl3(int fd, unsigned long arg1, unsigned long arg2);
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int asm_read(int fd, void *buf, size_t size);
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//command
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struct command {
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void *args;
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void (*release)(struct command *cmd);
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int (*do_cmd)(int fd, void *args);
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void (*print)(void *args);
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};
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#define MAX_COMBINATION 256
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struct command_set {
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int nr_cmds;
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struct command cmds[MAX_COMBINATION];
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};
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int build_command(const char *cmd_src, struct command *cmd);
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#endif /* _PERF_COMMON_H_ */
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