perf tools: Unify debug messages mechanisms

We were using eprintf in some places, that looks at a global
'verbose' level, and at other places passing a 'v' parameter to
specify the verbosity level, unify it by introducing
pr_{err,warning,debug,etc}, just like in the kernel.

Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Mike Galbraith <efault@gmx.de>
LKML-Reference: <1256153646-10097-1-git-send-email-acme@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Arnaldo Carvalho de Melo 2009-10-21 17:34:06 -02:00 committed by Ingo Molnar
parent 802da5f228
commit 6beba7adbe
17 changed files with 114 additions and 116 deletions

View file

@ -203,8 +203,7 @@ static int
process_mmap_event(event_t *event, unsigned long offset, unsigned long head) process_mmap_event(event_t *event, unsigned long offset, unsigned long head)
{ {
struct map *map = map__new(&event->mmap, NULL, 0, struct map *map = map__new(&event->mmap, NULL, 0,
sizeof(struct sym_priv), symbol_filter, sizeof(struct sym_priv), symbol_filter);
verbose);
struct thread *thread = threads__findnew(event->mmap.pid); struct thread *thread = threads__findnew(event->mmap.pid);
dump_printf("%p [%p]: PERF_RECORD_MMAP %d: [%p(%p) @ %p]: %s\n", dump_printf("%p [%p]: PERF_RECORD_MMAP %d: [%p(%p) @ %p]: %s\n",

View file

@ -630,7 +630,7 @@ static int __cmd_record(int argc, const char **argv)
param.sched_priority = realtime_prio; param.sched_priority = realtime_prio;
if (sched_setscheduler(0, SCHED_FIFO, &param)) { if (sched_setscheduler(0, SCHED_FIFO, &param)) {
printf("Could not set realtime priority.\n"); pr_err("Could not set realtime priority.\n");
exit(-1); exit(-1);
} }
} }

View file

@ -689,7 +689,8 @@ process_sample_event(event_t *event, unsigned long offset, unsigned long head)
dump_printf("... chain: nr:%Lu\n", chain->nr); dump_printf("... chain: nr:%Lu\n", chain->nr);
if (validate_chain(chain, event) < 0) { if (validate_chain(chain, event) < 0) {
eprintf("call-chain problem with event, skipping it.\n"); pr_debug("call-chain problem with event, "
"skipping it.\n");
return 0; return 0;
} }
@ -700,7 +701,7 @@ process_sample_event(event_t *event, unsigned long offset, unsigned long head)
} }
if (thread == NULL) { if (thread == NULL) {
eprintf("problem processing %d event, skipping it.\n", pr_debug("problem processing %d event, skipping it.\n",
event->header.type); event->header.type);
return -1; return -1;
} }
@ -738,7 +739,7 @@ process_sample_event(event_t *event, unsigned long offset, unsigned long head)
if (hist_entry__add(thread, map, sym, ip, if (hist_entry__add(thread, map, sym, ip,
chain, level, period)) { chain, level, period)) {
eprintf("problem incrementing symbol count, skipping event\n"); pr_debug("problem incrementing symbol count, skipping event\n");
return -1; return -1;
} }
@ -750,7 +751,7 @@ process_sample_event(event_t *event, unsigned long offset, unsigned long head)
static int static int
process_mmap_event(event_t *event, unsigned long offset, unsigned long head) process_mmap_event(event_t *event, unsigned long offset, unsigned long head)
{ {
struct map *map = map__new(&event->mmap, cwd, cwdlen, 0, NULL, verbose); struct map *map = map__new(&event->mmap, cwd, cwdlen, 0, NULL);
struct thread *thread = threads__findnew(event->mmap.pid); struct thread *thread = threads__findnew(event->mmap.pid);
dump_printf("%p [%p]: PERF_RECORD_MMAP %d/%d: [%p(%p) @ %p]: %s\n", dump_printf("%p [%p]: PERF_RECORD_MMAP %d/%d: [%p(%p) @ %p]: %s\n",

View file

@ -1666,8 +1666,8 @@ process_sample_event(event_t *event, unsigned long offset, unsigned long head)
(long long)period); (long long)period);
if (thread == NULL) { if (thread == NULL) {
eprintf("problem processing %d event, skipping it.\n", pr_debug("problem processing %d event, skipping it.\n",
event->header.type); event->header.type);
return -1; return -1;
} }

View file

@ -1162,12 +1162,10 @@ more:
size = event->header.size; size = event->header.size;
if (!size || process_event(event) < 0) { if (!size || process_event(event) < 0) {
pr_warning("%p [%p]: skipping unknown header type: %d\n",
printf("%p [%p]: skipping unknown header type: %d\n", (void *)(offset + head),
(void *)(offset + head), (void *)(long)(event->header.size),
(void *)(long)(event->header.size), event->header.type);
event->header.type);
/* /*
* assume we lost track of the stream, check alignment, and * assume we lost track of the stream, check alignment, and
* increment a single u64 in the hope to catch on again 'soon'. * increment a single u64 in the hope to catch on again 'soon'.
@ -1200,7 +1198,8 @@ done:
write_svg_file(output_name); write_svg_file(output_name);
printf("Written %2.1f seconds of trace to %s.\n", (last_time - first_time) / 1000000000.0, output_name); pr_info("Written %2.1f seconds of trace to %s.\n",
(last_time - first_time) / 1000000000.0, output_name);
return rc; return rc;
} }

View file

@ -809,7 +809,7 @@ static int symbol_filter(struct map *map, struct symbol *sym)
static int parse_symbols(void) static int parse_symbols(void)
{ {
if (dsos__load_kernel(vmlinux_name, sizeof(struct sym_entry), if (dsos__load_kernel(vmlinux_name, sizeof(struct sym_entry),
symbol_filter, verbose, 1) <= 0) symbol_filter, 1) <= 0)
return -1; return -1;
if (dump_symtab) if (dump_symtab)

View file

@ -81,8 +81,8 @@ process_sample_event(event_t *event, unsigned long offset, unsigned long head)
(long long)period); (long long)period);
if (thread == NULL) { if (thread == NULL) {
eprintf("problem processing %d event, skipping it.\n", pr_debug("problem processing %d event, skipping it.\n",
event->header.type); event->header.type);
return -1; return -1;
} }

View file

@ -206,7 +206,7 @@ fill_node(struct callchain_node *node, struct ip_callchain *chain,
} }
node->val_nr = chain->nr - start; node->val_nr = chain->nr - start;
if (!node->val_nr) if (!node->val_nr)
printf("Warning: empty node in callchain tree\n"); pr_warning("Warning: empty node in callchain tree\n");
} }
static void static void

View file

@ -13,12 +13,12 @@
int verbose = 0; int verbose = 0;
int dump_trace = 0; int dump_trace = 0;
int eprintf(const char *fmt, ...) int eprintf(int level, const char *fmt, ...)
{ {
va_list args; va_list args;
int ret = 0; int ret = 0;
if (verbose) { if (verbose >= level) {
va_start(args, fmt); va_start(args, fmt);
ret = vfprintf(stderr, fmt, args); ret = vfprintf(stderr, fmt, args);
va_end(args); va_end(args);

View file

@ -5,7 +5,8 @@
extern int verbose; extern int verbose;
extern int dump_trace; extern int dump_trace;
int eprintf(const char *fmt, ...) __attribute__((format(printf, 1, 2))); int eprintf(int level,
const char *fmt, ...) __attribute__((format(printf, 2, 3)));
int dump_printf(const char *fmt, ...) __attribute__((format(printf, 1, 2))); int dump_printf(const char *fmt, ...) __attribute__((format(printf, 1, 2)));
void trace_event(event_t *event); void trace_event(event_t *event);

View file

@ -106,8 +106,7 @@ struct symbol;
typedef int (*symbol_filter_t)(struct map *map, struct symbol *sym); typedef int (*symbol_filter_t)(struct map *map, struct symbol *sym);
struct map *map__new(struct mmap_event *event, char *cwd, int cwdlen, struct map *map__new(struct mmap_event *event, char *cwd, int cwdlen,
unsigned int sym_priv_size, symbol_filter_t filter, unsigned int sym_priv_size, symbol_filter_t filter);
int v);
struct map *map__clone(struct map *self); struct map *map__clone(struct map *self);
int map__overlap(struct map *l, struct map *r); int map__overlap(struct map *l, struct map *r);
size_t map__fprintf(struct map *self, FILE *fp); size_t map__fprintf(struct map *self, FILE *fp);

View file

@ -93,7 +93,7 @@ static struct perf_trace_event_type *events;
void perf_header__push_event(u64 id, const char *name) void perf_header__push_event(u64 id, const char *name)
{ {
if (strlen(name) > MAX_EVENT_NAME) if (strlen(name) > MAX_EVENT_NAME)
printf("Event %s will be truncated\n", name); pr_warning("Event %s will be truncated\n", name);
if (!events) { if (!events) {
events = malloc(sizeof(struct perf_trace_event_type)); events = malloc(sizeof(struct perf_trace_event_type));

View file

@ -85,4 +85,21 @@ simple_strtoul(const char *nptr, char **endptr, int base)
return strtoul(nptr, endptr, base); return strtoul(nptr, endptr, base);
} }
#ifndef pr_fmt
#define pr_fmt(fmt) fmt
#endif
#define pr_err(fmt, ...) \
do { fprintf(stderr, pr_fmt(fmt), ##__VA_ARGS__); } while (0)
#define pr_warning(fmt, ...) \
do { fprintf(stderr, pr_fmt(fmt), ##__VA_ARGS__); } while (0)
#define pr_info(fmt, ...) \
do { fprintf(stderr, pr_fmt(fmt), ##__VA_ARGS__); } while (0)
#define pr_debug(fmt, ...) \
eprintf(1, pr_fmt(fmt), ##__VA_ARGS__)
#define pr_debugN(n, fmt, ...) \
eprintf(n, pr_fmt(fmt), ##__VA_ARGS__)
#define pr_debug2(fmt, ...) pr_debugN(2, pr_fmt(fmt), ##__VA_ARGS__)
#define pr_debug3(fmt, ...) pr_debugN(3, pr_fmt(fmt), ##__VA_ARGS__)
#endif #endif

View file

@ -21,8 +21,7 @@ static int strcommon(const char *pathname, char *cwd, int cwdlen)
} }
struct map *map__new(struct mmap_event *event, char *cwd, int cwdlen, struct map *map__new(struct mmap_event *event, char *cwd, int cwdlen,
unsigned int sym_priv_size, symbol_filter_t filter, unsigned int sym_priv_size, symbol_filter_t filter)
int v)
{ {
struct map *self = malloc(sizeof(*self)); struct map *self = malloc(sizeof(*self));
@ -58,16 +57,16 @@ struct map *map__new(struct mmap_event *event, char *cwd, int cwdlen,
goto out_delete; goto out_delete;
if (new_dso) { if (new_dso) {
int nr = dso__load(self->dso, self, filter, v); int nr = dso__load(self->dso, self, filter);
if (nr < 0) if (nr < 0)
eprintf("Failed to open %s, continuing " pr_warning("Failed to open %s, continuing "
"without symbols\n", "without symbols\n",
self->dso->long_name); self->dso->long_name);
else if (nr == 0) else if (nr == 0)
eprintf("No symbols found in %s, maybe " pr_warning("No symbols found in %s, maybe "
"install a debug package?\n", "install a debug package?\n",
self->dso->long_name); self->dso->long_name);
} }
if (self->dso == vdso || anon) if (self->dso == vdso || anon)

View file

@ -76,7 +76,7 @@ static void kernel_maps__fixup_end(void)
} }
static struct symbol *symbol__new(u64 start, u64 len, const char *name, static struct symbol *symbol__new(u64 start, u64 len, const char *name,
unsigned int priv_size, int v) unsigned int priv_size)
{ {
size_t namelen = strlen(name) + 1; size_t namelen = strlen(name) + 1;
struct symbol *self = calloc(1, priv_size + sizeof(*self) + namelen); struct symbol *self = calloc(1, priv_size + sizeof(*self) + namelen);
@ -91,8 +91,7 @@ static struct symbol *symbol__new(u64 start, u64 len, const char *name,
self->start = start; self->start = start;
self->end = len ? start + len - 1 : start; self->end = len ? start + len - 1 : start;
if (v > 2) pr_debug3("%s: %s %#Lx-%#Lx\n", __func__, name, start, self->end);
printf("%s: %s %#Lx-%#Lx\n", __func__, name, start, self->end);
memcpy(self->name, name, namelen); memcpy(self->name, name, namelen);
@ -209,7 +208,7 @@ size_t dso__fprintf(struct dso *self, FILE *fp)
* so that we can in the next step set the symbol ->end address and then * so that we can in the next step set the symbol ->end address and then
* call kernel_maps__split_kallsyms. * call kernel_maps__split_kallsyms.
*/ */
static int kernel_maps__load_all_kallsyms(int v) static int kernel_maps__load_all_kallsyms(void)
{ {
char *line = NULL; char *line = NULL;
size_t n; size_t n;
@ -252,7 +251,7 @@ static int kernel_maps__load_all_kallsyms(int v)
* Will fix up the end later, when we have all symbols sorted. * Will fix up the end later, when we have all symbols sorted.
*/ */
sym = symbol__new(start, 0, symbol_name, sym = symbol__new(start, 0, symbol_name,
kernel_map->dso->sym_priv_size, v); kernel_map->dso->sym_priv_size);
if (sym == NULL) if (sym == NULL)
goto out_delete_line; goto out_delete_line;
@ -300,8 +299,8 @@ static int kernel_maps__split_kallsyms(symbol_filter_t filter, int use_modules)
if (strcmp(map->dso->name, module)) { if (strcmp(map->dso->name, module)) {
map = kernel_maps__find_by_dso_name(module); map = kernel_maps__find_by_dso_name(module);
if (!map) { if (!map) {
fputs("/proc/{kallsyms,modules} " pr_err("/proc/{kallsyms,modules} "
"inconsistency!\n", stderr); "inconsistency!\n");
return -1; return -1;
} }
} }
@ -351,10 +350,9 @@ delete_symbol:
} }
static int kernel_maps__load_kallsyms(symbol_filter_t filter, static int kernel_maps__load_kallsyms(symbol_filter_t filter, int use_modules)
int use_modules, int v)
{ {
if (kernel_maps__load_all_kallsyms(v)) if (kernel_maps__load_all_kallsyms())
return -1; return -1;
dso__fixup_sym_end(kernel_map->dso); dso__fixup_sym_end(kernel_map->dso);
@ -362,9 +360,9 @@ static int kernel_maps__load_kallsyms(symbol_filter_t filter,
return kernel_maps__split_kallsyms(filter, use_modules); return kernel_maps__split_kallsyms(filter, use_modules);
} }
static size_t kernel_maps__fprintf(FILE *fp, int v) static size_t kernel_maps__fprintf(FILE *fp)
{ {
size_t printed = fprintf(stderr, "Kernel maps:\n"); size_t printed = fprintf(fp, "Kernel maps:\n");
struct rb_node *nd; struct rb_node *nd;
for (nd = rb_first(&kernel_maps); nd; nd = rb_next(nd)) { for (nd = rb_first(&kernel_maps); nd; nd = rb_next(nd)) {
@ -372,17 +370,17 @@ static size_t kernel_maps__fprintf(FILE *fp, int v)
printed += fprintf(fp, "Map:"); printed += fprintf(fp, "Map:");
printed += map__fprintf(pos, fp); printed += map__fprintf(pos, fp);
if (v > 1) { if (verbose > 1) {
printed += dso__fprintf(pos->dso, fp); printed += dso__fprintf(pos->dso, fp);
printed += fprintf(fp, "--\n"); printed += fprintf(fp, "--\n");
} }
} }
return printed + fprintf(stderr, "END kernel maps\n"); return printed + fprintf(fp, "END kernel maps\n");
} }
static int dso__load_perf_map(struct dso *self, struct map *map, static int dso__load_perf_map(struct dso *self, struct map *map,
symbol_filter_t filter, int v) symbol_filter_t filter)
{ {
char *line = NULL; char *line = NULL;
size_t n; size_t n;
@ -420,7 +418,7 @@ static int dso__load_perf_map(struct dso *self, struct map *map,
continue; continue;
sym = symbol__new(start, size, line + len, sym = symbol__new(start, size, line + len,
self->sym_priv_size, v); self->sym_priv_size);
if (sym == NULL) if (sym == NULL)
goto out_delete_line; goto out_delete_line;
@ -534,7 +532,7 @@ static Elf_Scn *elf_section_by_name(Elf *elf, GElf_Ehdr *ep,
* And always look at the original dso, not at debuginfo packages, that * And always look at the original dso, not at debuginfo packages, that
* have the PLT data stripped out (shdr_rel_plt.sh_type == SHT_NOBITS). * have the PLT data stripped out (shdr_rel_plt.sh_type == SHT_NOBITS).
*/ */
static int dso__synthesize_plt_symbols(struct dso *self, int v) static int dso__synthesize_plt_symbols(struct dso *self)
{ {
uint32_t nr_rel_entries, idx; uint32_t nr_rel_entries, idx;
GElf_Sym sym; GElf_Sym sym;
@ -618,7 +616,7 @@ static int dso__synthesize_plt_symbols(struct dso *self, int v)
"%s@plt", elf_sym__name(&sym, symstrs)); "%s@plt", elf_sym__name(&sym, symstrs));
f = symbol__new(plt_offset, shdr_plt.sh_entsize, f = symbol__new(plt_offset, shdr_plt.sh_entsize,
sympltname, self->sym_priv_size, v); sympltname, self->sym_priv_size);
if (!f) if (!f)
goto out_elf_end; goto out_elf_end;
@ -636,7 +634,7 @@ static int dso__synthesize_plt_symbols(struct dso *self, int v)
"%s@plt", elf_sym__name(&sym, symstrs)); "%s@plt", elf_sym__name(&sym, symstrs));
f = symbol__new(plt_offset, shdr_plt.sh_entsize, f = symbol__new(plt_offset, shdr_plt.sh_entsize,
sympltname, self->sym_priv_size, v); sympltname, self->sym_priv_size);
if (!f) if (!f)
goto out_elf_end; goto out_elf_end;
@ -654,14 +652,14 @@ out_close:
if (err == 0) if (err == 0)
return nr; return nr;
out: out:
fprintf(stderr, "%s: problems reading %s PLT info.\n", pr_warning("%s: problems reading %s PLT info.\n",
__func__, self->long_name); __func__, self->long_name);
return 0; return 0;
} }
static int dso__load_sym(struct dso *self, struct map *map, const char *name, static int dso__load_sym(struct dso *self, struct map *map, const char *name,
int fd, symbol_filter_t filter, int kernel, int fd, symbol_filter_t filter, int kernel,
int kmodule, int v) int kmodule)
{ {
struct map *curr_map = map; struct map *curr_map = map;
struct dso *curr_dso = self; struct dso *curr_dso = self;
@ -680,15 +678,12 @@ static int dso__load_sym(struct dso *self, struct map *map, const char *name,
elf = elf_begin(fd, ELF_C_READ_MMAP, NULL); elf = elf_begin(fd, ELF_C_READ_MMAP, NULL);
if (elf == NULL) { if (elf == NULL) {
if (v) pr_err("%s: cannot read %s ELF file.\n", __func__, name);
fprintf(stderr, "%s: cannot read %s ELF file.\n",
__func__, name);
goto out_close; goto out_close;
} }
if (gelf_getehdr(elf, &ehdr) == NULL) { if (gelf_getehdr(elf, &ehdr) == NULL) {
if (v) pr_err("%s: cannot get elf header.\n", __func__);
fprintf(stderr, "%s: cannot get elf header.\n", __func__);
goto out_elf_end; goto out_elf_end;
} }
@ -794,10 +789,9 @@ static int dso__load_sym(struct dso *self, struct map *map, const char *name,
} }
if (curr_dso->adjust_symbols) { if (curr_dso->adjust_symbols) {
if (v > 2) pr_debug2("adjusting symbol: st_value: %Lx sh_addr: "
printf("adjusting symbol: st_value: %Lx sh_addr: %Lx sh_offset: %Lx\n", "%Lx sh_offset: %Lx\n", (u64)sym.st_value,
(u64)sym.st_value, (u64)shdr.sh_addr, (u64)shdr.sh_offset); (u64)shdr.sh_addr, (u64)shdr.sh_offset);
sym.st_value -= shdr.sh_addr - shdr.sh_offset; sym.st_value -= shdr.sh_addr - shdr.sh_offset;
} }
/* /*
@ -810,7 +804,7 @@ static int dso__load_sym(struct dso *self, struct map *map, const char *name,
elf_name = demangled; elf_name = demangled;
new_symbol: new_symbol:
f = symbol__new(sym.st_value, sym.st_size, elf_name, f = symbol__new(sym.st_value, sym.st_size, elf_name,
curr_dso->sym_priv_size, v); curr_dso->sym_priv_size);
free(demangled); free(demangled);
if (!f) if (!f)
goto out_elf_end; goto out_elf_end;
@ -837,7 +831,7 @@ out_close:
#define BUILD_ID_SIZE 128 #define BUILD_ID_SIZE 128
static char *dso__read_build_id(struct dso *self, int v) static char *dso__read_build_id(struct dso *self)
{ {
int i; int i;
GElf_Ehdr ehdr; GElf_Ehdr ehdr;
@ -854,15 +848,13 @@ static char *dso__read_build_id(struct dso *self, int v)
elf = elf_begin(fd, ELF_C_READ_MMAP, NULL); elf = elf_begin(fd, ELF_C_READ_MMAP, NULL);
if (elf == NULL) { if (elf == NULL) {
if (v) pr_err("%s: cannot read %s ELF file.\n", __func__,
fprintf(stderr, "%s: cannot read %s ELF file.\n", self->long_name);
__func__, self->long_name);
goto out_close; goto out_close;
} }
if (gelf_getehdr(elf, &ehdr) == NULL) { if (gelf_getehdr(elf, &ehdr) == NULL) {
if (v) pr_err("%s: cannot get elf header.\n", __func__);
fprintf(stderr, "%s: cannot get elf header.\n", __func__);
goto out_elf_end; goto out_elf_end;
} }
@ -884,8 +876,7 @@ static char *dso__read_build_id(struct dso *self, int v)
++raw; ++raw;
bid += 2; bid += 2;
} }
if (v >= 2) pr_debug2("%s(%s): %s\n", __func__, self->long_name, build_id);
printf("%s(%s): %s\n", __func__, self->long_name, build_id);
out_elf_end: out_elf_end:
elf_end(elf); elf_end(elf);
out_close: out_close:
@ -911,8 +902,7 @@ char dso__symtab_origin(const struct dso *self)
return origin[self->origin]; return origin[self->origin];
} }
int dso__load(struct dso *self, struct map *map, int dso__load(struct dso *self, struct map *map, symbol_filter_t filter)
symbol_filter_t filter, int v)
{ {
int size = PATH_MAX; int size = PATH_MAX;
char *name = malloc(size), *build_id = NULL; char *name = malloc(size), *build_id = NULL;
@ -925,7 +915,7 @@ int dso__load(struct dso *self, struct map *map,
self->adjust_symbols = 0; self->adjust_symbols = 0;
if (strncmp(self->name, "/tmp/perf-", 10) == 0) { if (strncmp(self->name, "/tmp/perf-", 10) == 0) {
ret = dso__load_perf_map(self, map, filter, v); ret = dso__load_perf_map(self, map, filter);
self->origin = ret > 0 ? DSO__ORIG_JAVA_JIT : self->origin = ret > 0 ? DSO__ORIG_JAVA_JIT :
DSO__ORIG_NOT_FOUND; DSO__ORIG_NOT_FOUND;
return ret; return ret;
@ -946,7 +936,7 @@ more:
self->long_name); self->long_name);
break; break;
case DSO__ORIG_BUILDID: case DSO__ORIG_BUILDID:
build_id = dso__read_build_id(self, v); build_id = dso__read_build_id(self);
if (build_id != NULL) { if (build_id != NULL) {
snprintf(name, size, snprintf(name, size,
"/usr/lib/debug/.build-id/%.2s/%s.debug", "/usr/lib/debug/.build-id/%.2s/%s.debug",
@ -967,7 +957,7 @@ more:
fd = open(name, O_RDONLY); fd = open(name, O_RDONLY);
} while (fd < 0); } while (fd < 0);
ret = dso__load_sym(self, map, name, fd, filter, 0, 0, v); ret = dso__load_sym(self, map, name, fd, filter, 0, 0);
close(fd); close(fd);
/* /*
@ -977,7 +967,7 @@ more:
goto more; goto more;
if (ret > 0) { if (ret > 0) {
int nr_plt = dso__synthesize_plt_symbols(self, v); int nr_plt = dso__synthesize_plt_symbols(self);
if (nr_plt > 0) if (nr_plt > 0)
ret += nr_plt; ret += nr_plt;
} }
@ -1025,34 +1015,29 @@ struct map *kernel_maps__find_by_dso_name(const char *name)
} }
static int dso__load_module_sym(struct dso *self, struct map *map, static int dso__load_module_sym(struct dso *self, struct map *map,
symbol_filter_t filter, int v) symbol_filter_t filter)
{ {
int err = 0, fd = open(self->long_name, O_RDONLY); int err = 0, fd = open(self->long_name, O_RDONLY);
if (fd < 0) { if (fd < 0) {
if (v) pr_err("%s: cannot open %s\n", __func__, self->long_name);
fprintf(stderr, "%s: cannot open %s\n",
__func__, self->long_name);
return err; return err;
} }
err = dso__load_sym(self, map, self->long_name, fd, filter, 0, 1, v); err = dso__load_sym(self, map, self->long_name, fd, filter, 0, 1);
close(fd); close(fd);
return err; return err;
} }
static int dsos__load_modules_sym_dir(char *dirname, static int dsos__load_modules_sym_dir(char *dirname, symbol_filter_t filter)
symbol_filter_t filter, int v)
{ {
struct dirent *dent; struct dirent *dent;
int nr_symbols = 0, err; int nr_symbols = 0, err;
DIR *dir = opendir(dirname); DIR *dir = opendir(dirname);
if (!dir) { if (!dir) {
if (v) pr_err("%s: cannot open %s dir\n", __func__, dirname);
fprintf(stderr, "%s: cannot open %s dir\n", __func__,
dirname);
return -1; return -1;
} }
@ -1066,7 +1051,7 @@ static int dsos__load_modules_sym_dir(char *dirname,
snprintf(path, sizeof(path), "%s/%s", snprintf(path, sizeof(path), "%s/%s",
dirname, dent->d_name); dirname, dent->d_name);
err = dsos__load_modules_sym_dir(path, filter, v); err = dsos__load_modules_sym_dir(path, filter);
if (err < 0) if (err < 0)
goto failure; goto failure;
} else { } else {
@ -1092,7 +1077,7 @@ static int dsos__load_modules_sym_dir(char *dirname,
if (map->dso->long_name == NULL) if (map->dso->long_name == NULL)
goto failure; goto failure;
err = dso__load_module_sym(map->dso, map, filter, v); err = dso__load_module_sym(map->dso, map, filter);
if (err < 0) if (err < 0)
goto failure; goto failure;
last = rb_last(&map->dso->syms); last = rb_last(&map->dso->syms);
@ -1119,7 +1104,7 @@ failure:
return -1; return -1;
} }
static int dsos__load_modules_sym(symbol_filter_t filter, int v) static int dsos__load_modules_sym(symbol_filter_t filter)
{ {
struct utsname uts; struct utsname uts;
char modules_path[PATH_MAX]; char modules_path[PATH_MAX];
@ -1130,7 +1115,7 @@ static int dsos__load_modules_sym(symbol_filter_t filter, int v)
snprintf(modules_path, sizeof(modules_path), "/lib/modules/%s/kernel", snprintf(modules_path, sizeof(modules_path), "/lib/modules/%s/kernel",
uts.release); uts.release);
return dsos__load_modules_sym_dir(modules_path, filter, v); return dsos__load_modules_sym_dir(modules_path, filter);
} }
/* /*
@ -1225,15 +1210,14 @@ out_failure:
} }
static int dso__load_vmlinux(struct dso *self, struct map *map, static int dso__load_vmlinux(struct dso *self, struct map *map,
const char *vmlinux, const char *vmlinux, symbol_filter_t filter)
symbol_filter_t filter, int v)
{ {
int err, fd = open(vmlinux, O_RDONLY); int err, fd = open(vmlinux, O_RDONLY);
if (fd < 0) if (fd < 0)
return -1; return -1;
err = dso__load_sym(self, map, self->long_name, fd, filter, 1, 0, v); err = dso__load_sym(self, map, self->long_name, fd, filter, 1, 0);
close(fd); close(fd);
@ -1241,7 +1225,7 @@ static int dso__load_vmlinux(struct dso *self, struct map *map,
} }
int dsos__load_kernel(const char *vmlinux, unsigned int sym_priv_size, int dsos__load_kernel(const char *vmlinux, unsigned int sym_priv_size,
symbol_filter_t filter, int v, int use_modules) symbol_filter_t filter, int use_modules)
{ {
int err = -1; int err = -1;
struct dso *dso = dso__new(vmlinux, sym_priv_size); struct dso *dso = dso__new(vmlinux, sym_priv_size);
@ -1257,26 +1241,26 @@ int dsos__load_kernel(const char *vmlinux, unsigned int sym_priv_size,
kernel_map->map_ip = kernel_map->unmap_ip = identity__map_ip; kernel_map->map_ip = kernel_map->unmap_ip = identity__map_ip;
if (use_modules && dsos__load_modules(sym_priv_size) < 0) { if (use_modules && dsos__load_modules(sym_priv_size) < 0) {
fprintf(stderr, "Failed to load list of modules in use! " pr_warning("Failed to load list of modules in use! "
"Continuing...\n"); "Continuing...\n");
use_modules = 0; use_modules = 0;
} }
if (vmlinux) { if (vmlinux) {
err = dso__load_vmlinux(dso, kernel_map, vmlinux, filter, v); err = dso__load_vmlinux(dso, kernel_map, vmlinux, filter);
if (err > 0 && use_modules) { if (err > 0 && use_modules) {
int syms = dsos__load_modules_sym(filter, v); int syms = dsos__load_modules_sym(filter);
if (syms < 0) if (syms < 0)
fprintf(stderr, "Failed to read module symbols!" pr_warning("Failed to read module symbols!"
" Continuing...\n"); " Continuing...\n");
else else
err += syms; err += syms;
} }
} }
if (err <= 0) if (err <= 0)
err = kernel_maps__load_kallsyms(filter, use_modules, v); err = kernel_maps__load_kallsyms(filter, use_modules);
if (err > 0) { if (err > 0) {
struct rb_node *node = rb_first(&dso->syms); struct rb_node *node = rb_first(&dso->syms);
@ -1296,8 +1280,8 @@ int dsos__load_kernel(const char *vmlinux, unsigned int sym_priv_size,
kernel_maps__fixup_end(); kernel_maps__fixup_end();
dsos__add(dso); dsos__add(dso);
if (v > 0) if (verbose)
kernel_maps__fprintf(stderr, v); kernel_maps__fprintf(stderr);
} }
return err; return err;
@ -1355,8 +1339,8 @@ void dsos__fprintf(FILE *fp)
int load_kernel(unsigned int sym_priv_size, symbol_filter_t filter) int load_kernel(unsigned int sym_priv_size, symbol_filter_t filter)
{ {
if (dsos__load_kernel(vmlinux_name, sym_priv_size, if (dsos__load_kernel(vmlinux_name, sym_priv_size, filter,
filter, verbose, modules) <= 0) modules) <= 0)
return -1; return -1;
vdso = dso__new("[vdso]", 0); vdso = dso__new("[vdso]", 0);

View file

@ -63,11 +63,10 @@ static inline void *dso__sym_priv(struct dso *self, struct symbol *sym)
struct symbol *dso__find_symbol(struct dso *self, u64 ip); struct symbol *dso__find_symbol(struct dso *self, u64 ip);
int dsos__load_kernel(const char *vmlinux, unsigned int sym_priv_size, int dsos__load_kernel(const char *vmlinux, unsigned int sym_priv_size,
symbol_filter_t filter, int verbose, int modules); symbol_filter_t filter, int modules);
struct dso *dsos__findnew(const char *name, unsigned int sym_priv_size, struct dso *dsos__findnew(const char *name, unsigned int sym_priv_size,
bool *is_new); bool *is_new);
int dso__load(struct dso *self, struct map *map, int dso__load(struct dso *self, struct map *map, symbol_filter_t filter);
symbol_filter_t filter, int v);
void dsos__fprintf(FILE *fp); void dsos__fprintf(FILE *fp);
size_t dso__fprintf(struct dso *self, FILE *fp); size_t dso__fprintf(struct dso *self, FILE *fp);

View file

@ -127,9 +127,9 @@ static void thread__remove_overlappings(struct thread *self, struct map *map)
continue; continue;
if (verbose >= 2) { if (verbose >= 2) {
printf("overlapping maps:\n"); fputs("overlapping maps:\n", stderr);
map__fprintf(map, stdout); map__fprintf(map, stderr);
map__fprintf(pos, stdout); map__fprintf(pos, stderr);
} }
rb_erase(&pos->rb_node, &self->maps); rb_erase(&pos->rb_node, &self->maps);