Commit a1891aa4 authored by Namhyung Kim's avatar Namhyung Kim Committed by Jiri Olsa
Browse files

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: default avatarNamhyung 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: default avatarJiri Olsa <jolsa@kernel.org>
parent d69b2962

tools/perf/tests/hists_common.c

+25 −22
Original line number Diff line number Diff line
@@ -12,9 +12,9 @@ static struct { 
	u32 pid;

	const char *comm;

} fake_threads[] = {

	{ 100, "perf" },

	{ 200, "perf" },

	{ 300, "bash" },

	{ FAKE_PID_PERF1, "perf" },

	{ FAKE_PID_PERF2, "perf" },

	{ FAKE_PID_BASH,  "bash" },

};



static struct {
@@ -22,15 +22,15 @@ static struct { 
	u64 start;

	const char *filename;

} fake_mmap_info[] = {

	{ 100, 0x40000, "perf" },

	{ 100, 0x50000, "libc" },

	{ 100, 0xf0000, "[kernel]" },

	{ 200, 0x40000, "perf" },

	{ 200, 0x50000, "libc" },

	{ 200, 0xf0000, "[kernel]" },

	{ 300, 0x40000, "bash" },

	{ 300, 0x50000, "libc" },

	{ 300, 0xf0000, "[kernel]" },

	{ FAKE_PID_PERF1, FAKE_MAP_PERF,   "perf" },

	{ FAKE_PID_PERF1, FAKE_MAP_LIBC,   "libc" },

	{ FAKE_PID_PERF1, FAKE_MAP_KERNEL, "[kernel]" },

	{ FAKE_PID_PERF2, FAKE_MAP_PERF,   "perf" },

	{ FAKE_PID_PERF2, FAKE_MAP_LIBC,   "libc" },

	{ FAKE_PID_PERF2, FAKE_MAP_KERNEL, "[kernel]" },

	{ FAKE_PID_BASH,  FAKE_MAP_BASH,   "bash" },

	{ FAKE_PID_BASH,  FAKE_MAP_LIBC,   "libc" },

	{ FAKE_PID_BASH,  FAKE_MAP_KERNEL, "[kernel]" },

};



struct fake_sym {
@@ -40,27 +40,30 @@ struct fake_sym { 
};



static struct fake_sym perf_syms[] = {

	{ 700, 100, "main" },

	{ 800, 100, "run_command" },

	{ 900, 100, "cmd_record" },

	{ FAKE_SYM_OFFSET1, FAKE_SYM_LENGTH, "main" },

	{ FAKE_SYM_OFFSET2, FAKE_SYM_LENGTH, "run_command" },

	{ FAKE_SYM_OFFSET3, FAKE_SYM_LENGTH, "cmd_record" },

};



static struct fake_sym bash_syms[] = {

	{ 700, 100, "main" },

	{ 800, 100, "xmalloc" },

	{ 900, 100, "xfree" },

	{ FAKE_SYM_OFFSET1, FAKE_SYM_LENGTH, "main" },

	{ FAKE_SYM_OFFSET2, FAKE_SYM_LENGTH, "xmalloc" },

	{ FAKE_SYM_OFFSET3, FAKE_SYM_LENGTH, "xfree" },

};



static struct fake_sym libc_syms[] = {

	{ 700, 100, "malloc" },

	{ 800, 100, "free" },

	{ 900, 100, "realloc" },

	{ FAKE_SYM_OFFSET1, FAKE_SYM_LENGTH, "malloc" },

	{ FAKE_SYM_OFFSET2, FAKE_SYM_LENGTH, "free" },

	{ FAKE_SYM_OFFSET3, FAKE_SYM_LENGTH, "realloc" },

};



static struct fake_sym kernel_syms[] = {

	{ 700, 100, "schedule" },

	{ 800, 100, "page_fault" },

	{ 900, 100, "sys_perf_event_open" },

	{ FAKE_SYM_OFFSET1, FAKE_SYM_LENGTH, "schedule" },

	{ FAKE_SYM_OFFSET2, FAKE_SYM_LENGTH, "page_fault" },

	{ FAKE_SYM_OFFSET3, FAKE_SYM_LENGTH, "sys_perf_event_open" },

};



static struct {
@@ -102,7 +105,7 @@ struct machine *setup_fake_machine(struct machines *machines) 
				.pid = fake_mmap_info[i].pid,

				.tid = fake_mmap_info[i].pid,

				.start = fake_mmap_info[i].start,

				.len = 0x1000ULL,

				.len = FAKE_MAP_LENGTH,

				.pgoff = 0ULL,

			},

		};

tools/perf/tests/hists_common.h

+30 −2
Original line number Diff line number Diff line
@@ -4,6 +4,34 @@ 
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
@@ -13,7 +41,7 @@ struct machines; 
 * .............  .............  ...................

 *    perf:  100           perf  main

 *    perf:  100           perf  run_command

 *    perf:  100           perf  comd_record

 *    perf:  100           perf  cmd_record

 *    perf:  100           libc  malloc

 *    perf:  100           libc  free

 *    perf:  100           libc  realloc
@@ -22,7 +50,7 @@ struct machines; 
 *    perf:  100       [kernel]  sys_perf_event_open

 *    perf:  200           perf  main

 *    perf:  200           perf  run_command

 *    perf:  200           perf  comd_record

 *    perf:  200           perf  cmd_record

 *    perf:  200           libc  malloc

 *    perf:  200           libc  free

 *    perf:  200           libc  realloc

tools/perf/tests/hists_filter.c

+11 −12
Original line number Diff line number Diff line
@@ -21,25 +21,25 @@ struct sample { 
/* For the numbers, see hists_common.c */

static struct sample fake_samples[] = {

	/* perf [kernel] schedule() */

	{ .pid = 100, .ip = 0xf0000 + 700, },

	{ .pid = FAKE_PID_PERF1, .ip = FAKE_IP_KERNEL_SCHEDULE, },

	/* perf [perf]   main() */

	{ .pid = 100, .ip = 0x40000 + 700, },

	{ .pid = FAKE_PID_PERF1, .ip = FAKE_IP_PERF_MAIN, },

	/* perf [libc]   malloc() */

	{ .pid = 100, .ip = 0x50000 + 700, },

	{ .pid = FAKE_PID_PERF1, .ip = FAKE_IP_LIBC_MALLOC, },

	/* perf [perf]   main() */

	{ .pid = 200, .ip = 0x40000 + 700, }, /* will be merged */

	{ .pid = FAKE_PID_PERF2, .ip = FAKE_IP_PERF_MAIN, }, /* will be merged */

	/* perf [perf]   cmd_record() */

	{ .pid = 200, .ip = 0x40000 + 900, },

	{ .pid = FAKE_PID_PERF2, .ip = FAKE_IP_PERF_CMD_RECORD, },

	/* perf [kernel] page_fault() */

	{ .pid = 200, .ip = 0xf0000 + 800, },

	{ .pid = FAKE_PID_PERF2, .ip = FAKE_IP_KERNEL_PAGE_FAULT, },

	/* bash [bash]   main() */

	{ .pid = 300, .ip = 0x40000 + 700, },

	{ .pid = FAKE_PID_BASH,  .ip = FAKE_IP_BASH_MAIN, },

	/* bash [bash]   xmalloc() */

	{ .pid = 300, .ip = 0x40000 + 800, },

	{ .pid = FAKE_PID_BASH,  .ip = FAKE_IP_BASH_XMALLOC, },

	/* bash [libc]   malloc() */

	{ .pid = 300, .ip = 0x50000 + 700, },

	{ .pid = FAKE_PID_BASH,  .ip = FAKE_IP_LIBC_MALLOC, },

	/* bash [kernel] page_fault() */

	{ .pid = 300, .ip = 0xf0000 + 800, },

	{ .pid = FAKE_PID_BASH,  .ip = FAKE_IP_KERNEL_PAGE_FAULT, },

};



static int add_hist_entries(struct perf_evlist *evlist,
@@ -47,7 +47,7 @@ static int add_hist_entries(struct perf_evlist *evlist, 
{

	struct perf_evsel *evsel;

	struct addr_location al;

	struct perf_sample sample = { .cpu = 0, };

	struct perf_sample sample = { .period = 100, };

	size_t i;



	/*
@@ -75,7 +75,6 @@ static int add_hist_entries(struct perf_evlist *evlist, 
			sample.pid = fake_samples[i].pid;

			sample.tid = fake_samples[i].pid;

			sample.ip = fake_samples[i].ip;

			sample.period = 100;



			if (perf_event__preprocess_sample(&event, machine, &al,

							  &sample) < 0)

tools/perf/tests/hists_link.c

+16 −16
Original line number Diff line number Diff line
@@ -21,41 +21,41 @@ struct sample { 
/* For the numbers, see hists_common.c */

static struct sample fake_common_samples[] = {

	/* perf [kernel] schedule() */

	{ .pid = 100, .ip = 0xf0000 + 700, },

	{ .pid = FAKE_PID_PERF1, .ip = FAKE_IP_KERNEL_SCHEDULE, },

	/* perf [perf]   main() */

	{ .pid = 200, .ip = 0x40000 + 700, },

	{ .pid = FAKE_PID_PERF2, .ip = FAKE_IP_PERF_MAIN, },

	/* perf [perf]   cmd_record() */

	{ .pid = 200, .ip = 0x40000 + 900, },

	{ .pid = FAKE_PID_PERF2, .ip = FAKE_IP_PERF_CMD_RECORD, },

	/* bash [bash]   xmalloc() */

	{ .pid = 300, .ip = 0x40000 + 800, },

	{ .pid = FAKE_PID_BASH,  .ip = FAKE_IP_BASH_XMALLOC, },

	/* bash [libc]   malloc() */

	{ .pid = 300, .ip = 0x50000 + 700, },

	{ .pid = FAKE_PID_BASH,  .ip = FAKE_IP_LIBC_MALLOC, },

};



static struct sample fake_samples[][5] = {

	{

		/* perf [perf]   run_command() */

		{ .pid = 100, .ip = 0x40000 + 800, },

		{ .pid = FAKE_PID_PERF1, .ip = FAKE_IP_PERF_RUN_COMMAND, },

		/* perf [libc]   malloc() */

		{ .pid = 100, .ip = 0x50000 + 700, },

		{ .pid = FAKE_PID_PERF1, .ip = FAKE_IP_LIBC_MALLOC, },

		/* perf [kernel] page_fault() */

		{ .pid = 100, .ip = 0xf0000 + 800, },

		{ .pid = FAKE_PID_PERF1, .ip = FAKE_IP_KERNEL_PAGE_FAULT, },

		/* perf [kernel] sys_perf_event_open() */

		{ .pid = 200, .ip = 0xf0000 + 900, },

		{ .pid = FAKE_PID_PERF2, .ip = FAKE_IP_KERNEL_SYS_PERF_EVENT_OPEN, },

		/* bash [libc]   free() */

		{ .pid = 300, .ip = 0x50000 + 800, },

		{ .pid = FAKE_PID_BASH,  .ip = FAKE_IP_LIBC_FREE, },

	},

	{

		/* perf [libc]   free() */

		{ .pid = 200, .ip = 0x50000 + 800, },

		{ .pid = FAKE_PID_PERF2, .ip = FAKE_IP_LIBC_FREE, },

		/* bash [libc]   malloc() */

		{ .pid = 300, .ip = 0x50000 + 700, }, /* will be merged */

		{ .pid = FAKE_PID_BASH,  .ip = FAKE_IP_LIBC_MALLOC, }, /* will be merged */

		/* bash [bash]   xfee() */

		{ .pid = 300, .ip = 0x40000 + 900, },

		{ .pid = FAKE_PID_BASH,  .ip = FAKE_IP_BASH_XFREE, },

		/* bash [libc]   realloc() */

		{ .pid = 300, .ip = 0x50000 + 900, },

		{ .pid = FAKE_PID_BASH,  .ip = FAKE_IP_LIBC_REALLOC, },

		/* bash [kernel] page_fault() */

		{ .pid = 300, .ip = 0xf0000 + 800, },

		{ .pid = FAKE_PID_BASH,  .ip = FAKE_IP_KERNEL_PAGE_FAULT, },

	},

};
@@ -64,7 +64,7 @@ static int add_hist_entries(struct perf_evlist *evlist, struct machine *machine) 
	struct perf_evsel *evsel;

	struct addr_location al;

	struct hist_entry *he;

	struct perf_sample sample = { .cpu = 0, };

	struct perf_sample sample = { .period = 1, };

	size_t i = 0, k;



	/*

tools/perf/tests/hists_output.c

+10 −10
Original line number Diff line number Diff line
@@ -22,25 +22,25 @@ struct sample { 
/* For the numbers, see hists_common.c */

static struct sample fake_samples[] = {

	/* perf [kernel] schedule() */

	{ .cpu = 0, .pid = 100, .ip = 0xf0000 + 700, },

	{ .cpu = 0, .pid = FAKE_PID_PERF1, .ip = FAKE_IP_KERNEL_SCHEDULE, },

	/* perf [perf]   main() */

	{ .cpu = 1, .pid = 100, .ip = 0x40000 + 700, },

	{ .cpu = 1, .pid = FAKE_PID_PERF1, .ip = FAKE_IP_PERF_MAIN, },

	/* perf [perf]   cmd_record() */

	{ .cpu = 1, .pid = 100, .ip = 0x40000 + 900, },

	{ .cpu = 1, .pid = FAKE_PID_PERF1, .ip = FAKE_IP_PERF_CMD_RECORD, },

	/* perf [libc]   malloc() */

	{ .cpu = 1, .pid = 100, .ip = 0x50000 + 700, },

	{ .cpu = 1, .pid = FAKE_PID_PERF1, .ip = FAKE_IP_LIBC_MALLOC, },

	/* perf [libc]   free() */

	{ .cpu = 2, .pid = 100, .ip = 0x50000 + 800, },

	{ .cpu = 2, .pid = FAKE_PID_PERF1, .ip = FAKE_IP_LIBC_FREE, },

	/* perf [perf]   main() */

	{ .cpu = 2, .pid = 200, .ip = 0x40000 + 700, },

	{ .cpu = 2, .pid = FAKE_PID_PERF2, .ip = FAKE_IP_PERF_MAIN, },

	/* perf [kernel] page_fault() */

	{ .cpu = 2, .pid = 200, .ip = 0xf0000 + 800, },

	{ .cpu = 2, .pid = FAKE_PID_PERF2, .ip = FAKE_IP_KERNEL_PAGE_FAULT, },

	/* bash [bash]   main() */

	{ .cpu = 3, .pid = 300, .ip = 0x40000 + 700, },

	{ .cpu = 3, .pid = FAKE_PID_BASH,  .ip = FAKE_IP_BASH_MAIN, },

	/* bash [bash]   xmalloc() */

	{ .cpu = 0, .pid = 300, .ip = 0x40000 + 800, },

	{ .cpu = 0, .pid = FAKE_PID_BASH,  .ip = FAKE_IP_BASH_XMALLOC, },

	/* bash [kernel] page_fault() */

	{ .cpu = 1, .pid = 300, .ip = 0xf0000 + 800, },

	{ .cpu = 1, .pid = FAKE_PID_BASH,  .ip = FAKE_IP_KERNEL_PAGE_FAULT, },

};



static int add_hist_entries(struct hists *hists, struct machine *machine)