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Commit 6e344a95 authored by Namhyung Kim's avatar Namhyung Kim Committed by Jiri Olsa
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perf tests: Factor out fake_setup_machine() 

The fake_setup_machine() is for setting up a environment for testing
various hists operations. As it'll be used for other test cases it'd
better factoring it out.
Signed-off-by: default avatarNamhyung Kim <namhyung@kernel.org>
Link: http://lkml.kernel.org/r/1398396494-12811-1-git-send-email-namhyung@kernel.orgSigned-off-by: default avatarJiri Olsa <jolsa@kernel.org>
parent 2933d781
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Showing with 195 additions and 139 deletions
tools/perf/Makefile.perf
View file @ 6e344a95
...@@ -397,6 +397,7 @@ LIB_OBJS += $(OUTPUT)tests/rdpmc.o ...@@ -397,6 +397,7 @@ LIB_OBJS += $(OUTPUT)tests/rdpmc.o
LIB_OBJS += $(OUTPUT)tests/evsel-roundtrip-name.o LIB_OBJS += $(OUTPUT)tests/evsel-roundtrip-name.o
LIB_OBJS += $(OUTPUT)tests/evsel-tp-sched.o LIB_OBJS += $(OUTPUT)tests/evsel-tp-sched.o
LIB_OBJS += $(OUTPUT)tests/pmu.o LIB_OBJS += $(OUTPUT)tests/pmu.o
LIB_OBJS += $(OUTPUT)tests/hists_common.o
LIB_OBJS += $(OUTPUT)tests/hists_link.o LIB_OBJS += $(OUTPUT)tests/hists_link.o
LIB_OBJS += $(OUTPUT)tests/python-use.o LIB_OBJS += $(OUTPUT)tests/python-use.o
LIB_OBJS += $(OUTPUT)tests/bp_signal.o LIB_OBJS += $(OUTPUT)tests/bp_signal.o
......
tools/perf/tests/hists_common.c 0 → 100644
View file @ 6e344a95
#include "perf.h"
#include "util/debug.h"
#include "util/symbol.h"
#include "util/sort.h"
#include "util/evsel.h"
#include "util/evlist.h"
#include "util/machine.h"
#include "util/thread.h"
#include "tests/hists_common.h"
static struct {
u32 pid;
const char *comm;
} fake_threads[] = {
{ 100, "perf" },
{ 200, "perf" },
{ 300, "bash" },
};
static struct {
u32 pid;
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]" },
};
struct fake_sym {
u64 start;
u64 length;
const char *name;
};
static struct fake_sym perf_syms[] = {
{ 700, 100, "main" },
{ 800, 100, "run_command" },
{ 900, 100, "cmd_record" },
};
static struct fake_sym bash_syms[] = {
{ 700, 100, "main" },
{ 800, 100, "xmalloc" },
{ 900, 100, "xfree" },
};
static struct fake_sym libc_syms[] = {
{ 700, 100, "malloc" },
{ 800, 100, "free" },
{ 900, 100, "realloc" },
};
static struct fake_sym kernel_syms[] = {
{ 700, 100, "schedule" },
{ 800, 100, "page_fault" },
{ 900, 100, "sys_perf_event_open" },
};
static struct {
const char *dso_name;
struct fake_sym *syms;
size_t nr_syms;
} fake_symbols[] = {
{ "perf", perf_syms, ARRAY_SIZE(perf_syms) },
{ "bash", bash_syms, ARRAY_SIZE(bash_syms) },
{ "libc", libc_syms, ARRAY_SIZE(libc_syms) },
{ "[kernel]", kernel_syms, ARRAY_SIZE(kernel_syms) },
};
struct machine *setup_fake_machine(struct machines *machines)
{
struct machine *machine = machines__find(machines, HOST_KERNEL_ID);
size_t i;
if (machine == NULL) {
pr_debug("Not enough memory for machine setup\n");
return NULL;
}
for (i = 0; i < ARRAY_SIZE(fake_threads); i++) {
struct thread *thread;
thread = machine__findnew_thread(machine, fake_threads[i].pid,
fake_threads[i].pid);
if (thread == NULL)
goto out;
thread__set_comm(thread, fake_threads[i].comm, 0);
}
for (i = 0; i < ARRAY_SIZE(fake_mmap_info); i++) {
union perf_event fake_mmap_event = {
.mmap = {
.header = { .misc = PERF_RECORD_MISC_USER, },
.pid = fake_mmap_info[i].pid,
.tid = fake_mmap_info[i].pid,
.start = fake_mmap_info[i].start,
.len = 0x1000ULL,
.pgoff = 0ULL,
},
};
strcpy(fake_mmap_event.mmap.filename,
fake_mmap_info[i].filename);
machine__process_mmap_event(machine, &fake_mmap_event, NULL);
}
for (i = 0; i < ARRAY_SIZE(fake_symbols); i++) {
size_t k;
struct dso *dso;
dso = __dsos__findnew(&machine->user_dsos,
fake_symbols[i].dso_name);
if (dso == NULL)
goto out;
/* emulate dso__load() */
dso__set_loaded(dso, MAP__FUNCTION);
for (k = 0; k < fake_symbols[i].nr_syms; k++) {
struct symbol *sym;
struct fake_sym *fsym = &fake_symbols[i].syms[k];
sym = symbol__new(fsym->start, fsym->length,
STB_GLOBAL, fsym->name);
if (sym == NULL)
goto out;
symbols__insert(&dso->symbols[MAP__FUNCTION], sym);
}
}
return machine;
out:
pr_debug("Not enough memory for machine setup\n");
machine__delete_threads(machine);
machine__delete(machine);
return NULL;
}
tools/perf/tests/hists_common.h 0 → 100644
View file @ 6e344a95
#ifndef __PERF_TESTS__HISTS_COMMON_H__
#define __PERF_TESTS__HISTS_COMMON_H__
struct machine;
struct machines;
/*
* 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 comd_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 comd_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);
#endif /* __PERF_TESTS__HISTS_COMMON_H__ */
tools/perf/tests/hists_link.c
View file @ 6e344a95
...@@ -8,145 +8,7 @@ ...@@ -8,145 +8,7 @@
#include "machine.h" #include "machine.h"
#include "thread.h" #include "thread.h"
#include "parse-events.h" #include "parse-events.h"
#include "hists_common.h"
static struct {
u32 pid;
const char *comm;
} fake_threads[] = {
{ 100, "perf" },
{ 200, "perf" },
{ 300, "bash" },
};
static struct {
u32 pid;
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]" },
};
struct fake_sym {
u64 start;
u64 length;
const char *name;
};
static struct fake_sym perf_syms[] = {
{ 700, 100, "main" },
{ 800, 100, "run_command" },
{ 900, 100, "cmd_record" },
};
static struct fake_sym bash_syms[] = {
{ 700, 100, "main" },
{ 800, 100, "xmalloc" },
{ 900, 100, "xfree" },
};
static struct fake_sym libc_syms[] = {
{ 700, 100, "malloc" },
{ 800, 100, "free" },
{ 900, 100, "realloc" },
};
static struct fake_sym kernel_syms[] = {
{ 700, 100, "schedule" },
{ 800, 100, "page_fault" },
{ 900, 100, "sys_perf_event_open" },
};
static struct {
const char *dso_name;
struct fake_sym *syms;
size_t nr_syms;
} fake_symbols[] = {
{ "perf", perf_syms, ARRAY_SIZE(perf_syms) },
{ "bash", bash_syms, ARRAY_SIZE(bash_syms) },
{ "libc", libc_syms, ARRAY_SIZE(libc_syms) },
{ "[kernel]", kernel_syms, ARRAY_SIZE(kernel_syms) },
};
static struct machine *setup_fake_machine(struct machines *machines)
{
struct machine *machine = machines__find(machines, HOST_KERNEL_ID);
size_t i;
if (machine == NULL) {
pr_debug("Not enough memory for machine setup\n");
return NULL;
}
for (i = 0; i < ARRAY_SIZE(fake_threads); i++) {
struct thread *thread;
thread = machine__findnew_thread(machine, fake_threads[i].pid,
fake_threads[i].pid);
if (thread == NULL)
goto out;
thread__set_comm(thread, fake_threads[i].comm, 0);
}
for (i = 0; i < ARRAY_SIZE(fake_mmap_info); i++) {
union perf_event fake_mmap_event = {
.mmap = {
.header = { .misc = PERF_RECORD_MISC_USER, },
.pid = fake_mmap_info[i].pid,
.tid = fake_mmap_info[i].pid,
.start = fake_mmap_info[i].start,
.len = 0x1000ULL,
.pgoff = 0ULL,
},
};
strcpy(fake_mmap_event.mmap.filename,
fake_mmap_info[i].filename);
machine__process_mmap_event(machine, &fake_mmap_event, NULL);
}
for (i = 0; i < ARRAY_SIZE(fake_symbols); i++) {
size_t k;
struct dso *dso;
dso = __dsos__findnew(&machine->user_dsos,
fake_symbols[i].dso_name);
if (dso == NULL)
goto out;
/* emulate dso__load() */
dso__set_loaded(dso, MAP__FUNCTION);
for (k = 0; k < fake_symbols[i].nr_syms; k++) {
struct symbol *sym;
struct fake_sym *fsym = &fake_symbols[i].syms[k];
sym = symbol__new(fsym->start, fsym->length,
STB_GLOBAL, fsym->name);
if (sym == NULL)
goto out;
symbols__insert(&dso->symbols[MAP__FUNCTION], sym);
}
}
return machine;
out:
pr_debug("Not enough memory for machine setup\n");
machine__delete_threads(machine);
machine__delete(machine);
return NULL;
}
struct sample { struct sample {
u32 pid; u32 pid;
...@@ -156,6 +18,7 @@ struct sample { ...@@ -156,6 +18,7 @@ struct sample {
struct symbol *sym; struct symbol *sym;
}; };
/* For the numbers, see hists_common.c */
static struct sample fake_common_samples[] = { static struct sample fake_common_samples[] = {
/* perf [kernel] schedule() */ /* perf [kernel] schedule() */
{ .pid = 100, .ip = 0xf0000 + 700, }, { .pid = 100, .ip = 0xf0000 + 700, },
......
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