linux/tools/perf/tests/hists_common.h
Namhyung Kim a1891aa480 perf tests: Define and use symbolic names for fake symbols
In various histogram test cases, fake symbols are used as raw numbers.
Define macros for each pid, map, symbols so that it can increase
readability somewhat.

Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Cc: Arun Sharma <asharma@fb.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Link: http://lkml.kernel.org/r/1401335910-16832-27-git-send-email-namhyung@kernel.org
Signed-off-by: Jiri Olsa <jolsa@kernel.org>
2014-06-01 14:35:11 +02:00

75 lines
2.8 KiB
C

#ifndef __PERF_TESTS__HISTS_COMMON_H__
#define __PERF_TESTS__HISTS_COMMON_H__
struct machine;
struct machines;
#define FAKE_PID_PERF1 100
#define FAKE_PID_PERF2 200
#define FAKE_PID_BASH 300
#define FAKE_MAP_PERF 0x400000
#define FAKE_MAP_BASH 0x400000
#define FAKE_MAP_LIBC 0x500000
#define FAKE_MAP_KERNEL 0xf00000
#define FAKE_MAP_LENGTH 0x100000
#define FAKE_SYM_OFFSET1 700
#define FAKE_SYM_OFFSET2 800
#define FAKE_SYM_OFFSET3 900
#define FAKE_SYM_LENGTH 100
#define FAKE_IP_PERF_MAIN FAKE_MAP_PERF + FAKE_SYM_OFFSET1
#define FAKE_IP_PERF_RUN_COMMAND FAKE_MAP_PERF + FAKE_SYM_OFFSET2
#define FAKE_IP_PERF_CMD_RECORD FAKE_MAP_PERF + FAKE_SYM_OFFSET3
#define FAKE_IP_BASH_MAIN FAKE_MAP_BASH + FAKE_SYM_OFFSET1
#define FAKE_IP_BASH_XMALLOC FAKE_MAP_BASH + FAKE_SYM_OFFSET2
#define FAKE_IP_BASH_XFREE FAKE_MAP_BASH + FAKE_SYM_OFFSET3
#define FAKE_IP_LIBC_MALLOC FAKE_MAP_LIBC + FAKE_SYM_OFFSET1
#define FAKE_IP_LIBC_FREE FAKE_MAP_LIBC + FAKE_SYM_OFFSET2
#define FAKE_IP_LIBC_REALLOC FAKE_MAP_LIBC + FAKE_SYM_OFFSET3
#define FAKE_IP_KERNEL_SCHEDULE FAKE_MAP_KERNEL + FAKE_SYM_OFFSET1
#define FAKE_IP_KERNEL_PAGE_FAULT FAKE_MAP_KERNEL + FAKE_SYM_OFFSET2
#define FAKE_IP_KERNEL_SYS_PERF_EVENT_OPEN FAKE_MAP_KERNEL + FAKE_SYM_OFFSET3
/*
* The setup_fake_machine() provides a test environment which consists
* of 3 processes that have 3 mappings and in turn, have 3 symbols
* respectively. See below table:
*
* Command: Pid Shared Object Symbol
* ............. ............. ...................
* perf: 100 perf main
* perf: 100 perf run_command
* perf: 100 perf cmd_record
* perf: 100 libc malloc
* perf: 100 libc free
* perf: 100 libc realloc
* perf: 100 [kernel] schedule
* perf: 100 [kernel] page_fault
* perf: 100 [kernel] sys_perf_event_open
* perf: 200 perf main
* perf: 200 perf run_command
* perf: 200 perf cmd_record
* perf: 200 libc malloc
* perf: 200 libc free
* perf: 200 libc realloc
* perf: 200 [kernel] schedule
* perf: 200 [kernel] page_fault
* perf: 200 [kernel] sys_perf_event_open
* bash: 300 bash main
* bash: 300 bash xmalloc
* bash: 300 bash xfree
* bash: 300 libc malloc
* bash: 300 libc free
* bash: 300 libc realloc
* bash: 300 [kernel] schedule
* bash: 300 [kernel] page_fault
* bash: 300 [kernel] sys_perf_event_open
*/
struct machine *setup_fake_machine(struct machines *machines);
void print_hists_in(struct hists *hists);
void print_hists_out(struct hists *hists);
#endif /* __PERF_TESTS__HISTS_COMMON_H__ */