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perf symbols: Make symbol_conf global

Browse Source 
This simplifies a lot of functions, less stuff to be done by
tool writers.

Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Frédéric Weisbecker <fweisbec@gmail.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Paul Mackerras <paulus@samba.org>
LKML-Reference: <1260914682-29652-1-git-send-email-acme@infradead.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Arnaldo Carvalho de Melo 2009-12-15 20:04:39 -02:00 committed by Ingo Molnar
parent 7ef17aafc9
commit 75be6cf487
15 changed files with 54 additions and 80 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

14
tools/perf/builtin-annotate.c
View File

@ -51,11 +51,6 @@ struct sym_priv {
struct sym_ext *ext;
};
static struct symbol_conf symbol_conf = {
.priv_size = sizeof(struct sym_priv),
.try_vmlinux_path = true,
};
static const char *sym_hist_filter;
static int symbol_filter(struct map *map __used, struct symbol *sym)
@ -464,10 +459,10 @@ static struct perf_event_ops event_ops = {
static int __cmd_annotate(void)
{
struct perf_session *session = perf_session__new(input_name, O_RDONLY,
force, &symbol_conf);
int ret;
struct perf_session *session;
session = perf_session__new(input_name, O_RDONLY, force);
if (session == NULL)
return -ENOMEM;
@ -523,7 +518,10 @@ static const struct option options[] = {
int cmd_annotate(int argc, const char **argv, const char *prefix __used)
{
if (symbol__init(&symbol_conf) < 0)
symbol_conf.priv_size = sizeof(struct sym_priv);
symbol_conf.try_vmlinux_path = true;
if (symbol__init() < 0)
return -1;
argc = parse_options(argc, argv, options, annotate_usage, 0);

5
tools/perf/builtin-buildid-list.c
View File

@ -54,8 +54,9 @@ static int perf_file_section__process_buildids(struct perf_file_section *self,
static int __cmd_buildid_list(void)
{
int err = -1;
struct perf_session *session = perf_session__new(input_name, O_RDONLY,
force, NULL);
struct perf_session *session;
session = perf_session__new(input_name, O_RDONLY, force);
if (session == NULL)
return -1;

8
tools/perf/builtin-diff.c
View File

@ -21,8 +21,6 @@ static char const *input_old = "perf.data.old",
static int force;
static bool show_percent;
struct symbol_conf symbol_conf;
static int perf_session__add_hist_entry(struct perf_session *self,
struct addr_location *al, u64 count)
{
@ -226,8 +224,8 @@ static int __cmd_diff(void)
int ret, i;
struct perf_session *session[2];
session[0] = perf_session__new(input_old, O_RDONLY, force, &symbol_conf);
session[1] = perf_session__new(input_new, O_RDONLY, force, &symbol_conf);
session[0] = perf_session__new(input_old, O_RDONLY, force);
session[1] = perf_session__new(input_new, O_RDONLY, force);
if (session[0] == NULL || session[1] == NULL)
return -ENOMEM;
@ -267,7 +265,7 @@ static const struct option options[] = {
int cmd_diff(int argc, const char **argv, const char *prefix __used)
{
if (symbol__init(&symbol_conf) < 0)
if (symbol__init() < 0)
return -1;
setup_sorting(diff_usage, options);

5
tools/perf/builtin-kmem.c
View File

@ -505,8 +505,7 @@ static void sort_result(void)
static int __cmd_kmem(void)
{
int err;
struct perf_session *session = perf_session__new(input_name, O_RDONLY,
0, NULL);
struct perf_session *session = perf_session__new(input_name, O_RDONLY, 0);
if (session == NULL)
return -ENOMEM;
@ -767,7 +766,7 @@ static int __cmd_record(int argc, const char **argv)
int cmd_kmem(int argc, const char **argv, const char *prefix __used)
{
symbol__init(0);
symbol__init();
argc = parse_options(argc, argv, kmem_options, kmem_usage, 0);

14
tools/perf/builtin-probe.c
View File

@ -57,7 +57,6 @@ static struct {
int nr_probe;
struct probe_point probes[MAX_PROBES];
struct strlist *dellist;
struct symbol_conf conf;
struct perf_session *psession;
struct map *kmap;
} session;
@ -151,7 +150,7 @@ static const struct option options[] = {
OPT_BOOLEAN('v', "verbose", &verbose,
"be more verbose (show parsed arguments, etc)"),
#ifndef NO_LIBDWARF
OPT_STRING('k', "vmlinux", &session.conf.vmlinux_name,
OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name,
"file", "vmlinux pathname"),
#endif
OPT_BOOLEAN('l', "list", &session.list_events,
@ -224,13 +223,12 @@ int cmd_probe(int argc, const char **argv, const char *prefix __used)
}
/* Initialize symbol maps for vmlinux */
session.conf.sort_by_name = true;
if (session.conf.vmlinux_name == NULL)
session.conf.try_vmlinux_path = true;
if (symbol__init(&session.conf) < 0)
symbol_conf.sort_by_name = true;
if (symbol_conf.vmlinux_name == NULL)
symbol_conf.try_vmlinux_path = true;
if (symbol__init() < 0)
die("Failed to init symbol map.");
session.psession = perf_session__new(NULL, O_WRONLY, false,
&session.conf);
session.psession = perf_session__new(NULL, O_WRONLY, false);
if (session.psession == NULL)
die("Failed to init perf_session.");
session.kmap = map_groups__find_by_name(&session.psession->kmaps,

4
tools/perf/builtin-record.c
View File

@ -451,7 +451,7 @@ static int __cmd_record(int argc, const char **argv)
exit(-1);
}
session = perf_session__new(output_name, O_WRONLY, force, NULL);
session = perf_session__new(output_name, O_WRONLY, force);
if (session == NULL) {
pr_err("Not enough memory for reading perf file header\n");
return -1;
@ -632,7 +632,7 @@ int cmd_record(int argc, const char **argv, const char *prefix __used)
{
int counter;
symbol__init(0);
symbol__init();
argc = parse_options(argc, argv, options, record_usage,
PARSE_OPT_STOP_AT_NON_OPTION);

7
tools/perf/builtin-report.c
View File

@ -52,9 +52,6 @@ static int exclude_other = 1;
static char callchain_default_opt[] = "fractal,0.5";
static struct symbol_conf symbol_conf;
static size_t
callchain__fprintf_left_margin(FILE *fp, int left_margin)
{
@ -705,7 +702,7 @@ static int __cmd_report(void)
int ret;
struct perf_session *session;
session = perf_session__new(input_name, O_RDONLY, force, &symbol_conf);
session = perf_session__new(input_name, O_RDONLY, force);
if (session == NULL)
return -ENOMEM;
@ -864,7 +861,7 @@ static void setup_list(struct strlist **list, const char *list_str,
int cmd_report(int argc, const char **argv, const char *prefix __used)
{
if (symbol__init(&symbol_conf) < 0)
if (symbol__init() < 0)
return -1;
argc = parse_options(argc, argv, options, report_usage, 0);

5
tools/perf/builtin-sched.c
View File

@ -1675,8 +1675,7 @@ static struct perf_event_ops event_ops = {
static int read_events(void)
{
int err;
struct perf_session *session = perf_session__new(input_name, O_RDONLY,
0, NULL);
struct perf_session *session = perf_session__new(input_name, O_RDONLY, 0);
if (session == NULL)
return -ENOMEM;
@ -1912,7 +1911,7 @@ int cmd_sched(int argc, const char **argv, const char *prefix __used)
if (!strcmp(argv[0], "trace"))
return cmd_trace(argc, argv, prefix);
symbol__init(0);
symbol__init();
if (!strncmp(argv[0], "rec", 3)) {
return __cmd_record(argc, argv);
} else if (!strncmp(argv[0], "lat", 3)) {

5
tools/perf/builtin-timechart.c
View File

@ -1050,8 +1050,7 @@ static struct perf_event_ops event_ops = {
static int __cmd_timechart(void)
{
struct perf_session *session = perf_session__new(input_name, O_RDONLY,
0, NULL);
struct perf_session *session = perf_session__new(input_name, O_RDONLY, 0);
int ret;
if (session == NULL)
@ -1138,7 +1137,7 @@ static const struct option options[] = {
int cmd_timechart(int argc, const char **argv, const char *prefix __used)
{
symbol__init(0);
symbol__init();
argc = parse_options(argc, argv, options, timechart_usage,
PARSE_OPT_STOP_AT_NON_OPTION);

6
tools/perf/builtin-top.c
View File

@ -80,7 +80,6 @@ static int dump_symtab = 0;
static bool hide_kernel_symbols = false;
static bool hide_user_symbols = false;
static struct winsize winsize;
static struct symbol_conf symbol_conf;
/*
* Source
@ -1162,8 +1161,7 @@ static int __cmd_top(void)
* FIXME: perf_session__new should allow passing a O_MMAP, so that all this
* mmap reading, etc is encapsulated in it. Use O_WRONLY for now.
*/
struct perf_session *session = perf_session__new(NULL, O_WRONLY, false,
&symbol_conf);
struct perf_session *session = perf_session__new(NULL, O_WRONLY, false);
if (session == NULL)
return -ENOMEM;
@ -1284,7 +1282,7 @@ int cmd_top(int argc, const char **argv, const char *prefix __used)
(nr_counters + 1) * sizeof(unsigned long));
if (symbol_conf.vmlinux_name == NULL)
symbol_conf.try_vmlinux_path = true;
if (symbol__init(&symbol_conf) < 0)
if (symbol__init() < 0)
return -1;
if (delay_secs < 1)

4
tools/perf/builtin-trace.c
View File

@ -579,7 +579,7 @@ int cmd_trace(int argc, const char **argv, const char *prefix __used)
exit(-1);
}
symbol__init(0);
symbol__init();
setup_scripting();
@ -588,7 +588,7 @@ int cmd_trace(int argc, const char **argv, const char *prefix __used)
setup_pager();
session = perf_session__new(input_name, O_RDONLY, 0, NULL);
session = perf_session__new(input_name, O_RDONLY, 0);
if (session == NULL)
return -ENOMEM;

5
tools/perf/util/session.c
View File

@ -49,8 +49,7 @@ out_close:
return -1;
}
struct perf_session *perf_session__new(const char *filename, int mode,
bool force, struct symbol_conf *conf)
struct perf_session *perf_session__new(const char *filename, int mode, bool force)
{
size_t len = filename ? strlen(filename) + 1 : 0;
struct perf_session *self = zalloc(sizeof(*self) + len);
@ -69,7 +68,7 @@ struct perf_session *perf_session__new(const char *filename, int mode,
self->cwdlen = 0;
map_groups__init(&self->kmaps);
if (perf_session__create_kernel_maps(self, conf) < 0)
if (perf_session__create_kernel_maps(self) < 0)
goto out_delete;
if (mode == O_RDONLY && perf_session__open(self, force) < 0)

5
tools/perf/util/session.h
View File

@ -10,7 +10,6 @@
struct ip_callchain;
struct thread;
struct symbol;
struct symbol_conf;
struct perf_session {
struct perf_header header;
@ -26,7 +25,6 @@ struct perf_session {
int fd;
int cwdlen;
char *cwd;
bool use_modules;
bool use_callchain;
char filename[0];
};
@ -48,8 +46,7 @@ struct perf_event_ops {
bool full_paths;
};
struct perf_session *perf_session__new(const char *filename, int mode,
bool force, struct symbol_conf *conf);
struct perf_session *perf_session__new(const char *filename, int mode, bool force);
void perf_session__delete(struct perf_session *self);
int perf_session__process_events(struct perf_session *self,

36
tools/perf/util/symbol.c
View File

@ -33,11 +33,10 @@ static void dsos__add(struct list_head *head, struct dso *dso);
static struct map *map__new2(u64 start, struct dso *dso, enum map_type type);
static int dso__load_kernel_sym(struct dso *self, struct map *map,
struct perf_session *session, symbol_filter_t filter);
unsigned int symbol__priv_size;
static int vmlinux_path__nr_entries;
static char **vmlinux_path;
static struct symbol_conf symbol_conf__defaults = {
struct symbol_conf symbol_conf = {
.use_modules = true,
.try_vmlinux_path = true,
};
@ -130,13 +129,13 @@ static void map_groups__fixup_end(struct map_groups *self)
static struct symbol *symbol__new(u64 start, u64 len, const char *name)
{
size_t namelen = strlen(name) + 1;
struct symbol *self = zalloc(symbol__priv_size +
struct symbol *self = zalloc(symbol_conf.priv_size +
sizeof(*self) + namelen);
if (self == NULL)
return NULL;
if (symbol__priv_size)
self = ((void *)self) + symbol__priv_size;
if (symbol_conf.priv_size)
self = ((void *)self) + symbol_conf.priv_size;
self->start = start;
self->end = len ? start + len - 1 : start;
@ -150,7 +149,7 @@ static struct symbol *symbol__new(u64 start, u64 len, const char *name)
static void symbol__delete(struct symbol *self)
{
free(((void *)self) - symbol__priv_size);
free(((void *)self) - symbol_conf.priv_size);
}
static size_t symbol__fprintf(struct symbol *self, FILE *fp)
@ -471,7 +470,7 @@ static int dso__split_kallsyms(struct dso *self, struct map *map,
module = strchr(pos->name, '\t');
if (module) {
if (!session->use_modules)
if (!symbol_conf.use_modules)
goto discard_symbol;
*module++ = '\0';
@ -1740,34 +1739,27 @@ out_fail:
return -1;
}
int symbol__init(struct symbol_conf *conf)
int symbol__init(void)
{
const struct symbol_conf *pconf = conf ?: &symbol_conf__defaults;
elf_version(EV_CURRENT);
symbol__priv_size = pconf->priv_size;
if (pconf->sort_by_name)
symbol__priv_size += (sizeof(struct symbol_name_rb_node) -
if (symbol_conf.sort_by_name)
symbol_conf.priv_size += (sizeof(struct symbol_name_rb_node) -
sizeof(struct symbol));
if (pconf->try_vmlinux_path && vmlinux_path__init() < 0)
if (symbol_conf.try_vmlinux_path && vmlinux_path__init() < 0)
return -1;
return 0;
}
int perf_session__create_kernel_maps(struct perf_session *self,
struct symbol_conf *conf)
int perf_session__create_kernel_maps(struct perf_session *self)
{
const struct symbol_conf *pconf = conf ?: &symbol_conf__defaults;
if (map_groups__create_kernel_maps(&self->kmaps,
pconf->vmlinux_name) < 0)
symbol_conf.vmlinux_name) < 0)
return -1;
self->use_modules = pconf->use_modules;
if (pconf->use_modules && perf_session__create_module_maps(self) < 0)
if (symbol_conf.use_modules &&
perf_session__create_module_maps(self) < 0)
pr_debug("Failed to load list of modules for session %s, "
"continuing...\n", self->filename);
/*

9
tools/perf/util/symbol.h
View File

@ -57,11 +57,11 @@ struct symbol_conf {
const char *vmlinux_name;
};
extern unsigned int symbol__priv_size;
extern struct symbol_conf symbol_conf;
static inline void *symbol__priv(struct symbol *self)
{
return ((void *)self) - symbol__priv_size;
return ((void *)self) - symbol_conf.priv_size;
}
struct addr_location {
@ -119,9 +119,8 @@ int sysfs__read_build_id(const char *filename, void *bf, size_t size);
bool dsos__read_build_ids(void);
int build_id__sprintf(u8 *self, int len, char *bf);
int symbol__init(struct symbol_conf *conf);
int perf_session__create_kernel_maps(struct perf_session *self,
struct symbol_conf *conf);
int symbol__init(void);
int perf_session__create_kernel_maps(struct perf_session *self);
extern struct list_head dsos__user, dsos__kernel;
extern struct dso *vdso;