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Subject[PATCH 08/30] perf tools: Replace error() with pr_err()
Date
From: Arnaldo Carvalho de Melo <acme@redhat.com>

To consolidate the error reporting facility.

Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/n/tip-b41iot1094katoffdf19w9zk@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
---
tools/perf/builtin-c2c.c | 4 ++--
tools/perf/builtin-help.c | 8 +++++---
tools/perf/builtin-kmem.c | 4 ++--
tools/perf/builtin-record.c | 4 ++--
tools/perf/builtin-sched.c | 2 +-
tools/perf/builtin-stat.c | 4 ++--
tools/perf/builtin-top.c | 2 +-
tools/perf/util/config.c | 3 ++-
tools/perf/util/sort.c | 22 +++++++++++-----------
tools/perf/util/usage.c | 16 ----------------
tools/perf/util/util.h | 1 -
11 files changed, 28 insertions(+), 42 deletions(-)

diff --git a/tools/perf/builtin-c2c.c b/tools/perf/builtin-c2c.c
index 620a467ee304..475999e48f66 100644
--- a/tools/perf/builtin-c2c.c
+++ b/tools/perf/builtin-c2c.c
@@ -1725,10 +1725,10 @@ static int c2c_hists__init_sort(struct perf_hpp_list *hpp_list, char *name)
tok; tok = strtok_r(NULL, ", ", &tmp)) { \
ret = _fn(hpp_list, tok); \
if (ret == -EINVAL) { \
- error("Invalid --fields key: `%s'", tok); \
+ pr_err("Invalid --fields key: `%s'", tok); \
break; \
} else if (ret == -ESRCH) { \
- error("Unknown --fields key: `%s'", tok); \
+ pr_err("Unknown --fields key: `%s'", tok); \
break; \
} \
} \
diff --git a/tools/perf/builtin-help.c b/tools/perf/builtin-help.c
index 64a10101fc71..530a7f2fa0f3 100644
--- a/tools/perf/builtin-help.c
+++ b/tools/perf/builtin-help.c
@@ -245,8 +245,10 @@ static int add_man_viewer_info(const char *var, const char *value)
const char *name = var + 4;
const char *subkey = strrchr(name, '.');

- if (!subkey)
- return error("Config with no key for man viewer: %s", name);
+ if (!subkey) {
+ pr_err("Config with no key for man viewer: %s", name);
+ return -1;
+ }

if (!strcmp(subkey, ".path")) {
if (!value)
@@ -330,7 +332,7 @@ static void setup_man_path(void)
setenv("MANPATH", new_path, 1);
free(new_path);
} else {
- error("Unable to setup man path");
+ pr_err("Unable to setup man path");
}
}

diff --git a/tools/perf/builtin-kmem.c b/tools/perf/builtin-kmem.c
index 9409c9464667..0a8a1c45af87 100644
--- a/tools/perf/builtin-kmem.c
+++ b/tools/perf/builtin-kmem.c
@@ -1715,7 +1715,7 @@ static int setup_slab_sorting(struct list_head *sort_list, const char *arg)
if (!tok)
break;
if (slab_sort_dimension__add(tok, sort_list) < 0) {
- error("Unknown slab --sort key: '%s'", tok);
+ pr_err("Unknown slab --sort key: '%s'", tok);
free(str);
return -1;
}
@@ -1741,7 +1741,7 @@ static int setup_page_sorting(struct list_head *sort_list, const char *arg)
if (!tok)
break;
if (page_sort_dimension__add(tok, sort_list) < 0) {
- error("Unknown page --sort key: '%s'", tok);
+ pr_err("Unknown page --sort key: '%s'", tok);
free(str);
return -1;
}
diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c
index ee7d0a82ccd0..17a14bcce34a 100644
--- a/tools/perf/builtin-record.c
+++ b/tools/perf/builtin-record.c
@@ -453,7 +453,7 @@ static int record__open(struct record *rec)
}

if (perf_evlist__apply_filters(evlist, &pos)) {
- error("failed to set filter \"%s\" on event %s with %d (%s)\n",
+ pr_err("failed to set filter \"%s\" on event %s with %d (%s)\n",
pos->filter, perf_evsel__name(pos), errno,
str_error_r(errno, msg, sizeof(msg)));
rc = -1;
@@ -461,7 +461,7 @@ static int record__open(struct record *rec)
}

if (perf_evlist__apply_drv_configs(evlist, &pos, &err_term)) {
- error("failed to set config \"%s\" on event %s with %d (%s)\n",
+ pr_err("failed to set config \"%s\" on event %s with %d (%s)\n",
err_term->val.drv_cfg, perf_evsel__name(pos), errno,
str_error_r(errno, msg, sizeof(msg)));
rc = -1;
diff --git a/tools/perf/builtin-sched.c b/tools/perf/builtin-sched.c
index 39996c53995a..322b4def8411 100644
--- a/tools/perf/builtin-sched.c
+++ b/tools/perf/builtin-sched.c
@@ -2066,7 +2066,7 @@ static void save_task_callchain(struct perf_sched *sched,
if (thread__resolve_callchain(thread, cursor, evsel, sample,
NULL, NULL, sched->max_stack + 2) != 0) {
if (verbose > 0)
- error("Failed to resolve callchain. Skipping\n");
+ pr_err("Failed to resolve callchain. Skipping\n");

return;
}
diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c
index 324363054c3f..48ac53b199fc 100644
--- a/tools/perf/builtin-stat.c
+++ b/tools/perf/builtin-stat.c
@@ -636,14 +636,14 @@ static int __run_perf_stat(int argc, const char **argv)
}

if (perf_evlist__apply_filters(evsel_list, &counter)) {
- error("failed to set filter \"%s\" on event %s with %d (%s)\n",
+ pr_err("failed to set filter \"%s\" on event %s with %d (%s)\n",
counter->filter, perf_evsel__name(counter), errno,
str_error_r(errno, msg, sizeof(msg)));
return -1;
}

if (perf_evlist__apply_drv_configs(evsel_list, &counter, &err_term)) {
- error("failed to set config \"%s\" on event %s with %d (%s)\n",
+ pr_err("failed to set config \"%s\" on event %s with %d (%s)\n",
err_term->val.drv_cfg, perf_evsel__name(counter), errno,
str_error_r(errno, msg, sizeof(msg)));
return -1;
diff --git a/tools/perf/builtin-top.c b/tools/perf/builtin-top.c
index 2bcfa46913c8..6052376634c0 100644
--- a/tools/perf/builtin-top.c
+++ b/tools/perf/builtin-top.c
@@ -958,7 +958,7 @@ static int __cmd_top(struct perf_top *top)

ret = perf_evlist__apply_drv_configs(evlist, &pos, &err_term);
if (ret) {
- error("failed to set config \"%s\" on event %s with %d (%s)\n",
+ pr_err("failed to set config \"%s\" on event %s with %d (%s)\n",
err_term->val.drv_cfg, perf_evsel__name(pos), errno,
str_error_r(errno, msg, sizeof(msg)));
goto out_delete;
diff --git a/tools/perf/util/config.c b/tools/perf/util/config.c
index 1498f38ea7ad..586afeab2352 100644
--- a/tools/perf/util/config.c
+++ b/tools/perf/util/config.c
@@ -793,7 +793,8 @@ void perf_config_set__delete(struct perf_config_set *set)
*/
int config_error_nonbool(const char *var)
{
- return error("Missing value for '%s'", var);
+ pr_err("Missing value for '%s'", var);
+ return -1;
}

void set_buildid_dir(const char *dir)
diff --git a/tools/perf/util/sort.c b/tools/perf/util/sort.c
index 5762ae4e9e91..8b327c955a4f 100644
--- a/tools/perf/util/sort.c
+++ b/tools/perf/util/sort.c
@@ -2532,12 +2532,12 @@ static int setup_sort_list(struct perf_hpp_list *list, char *str,
ret = sort_dimension__add(list, tok, evlist, level);
if (ret == -EINVAL) {
if (!cacheline_size && !strncasecmp(tok, "dcacheline", strlen(tok)))
- error("The \"dcacheline\" --sort key needs to know the cacheline size and it couldn't be determined on this system");
+ pr_err("The \"dcacheline\" --sort key needs to know the cacheline size and it couldn't be determined on this system");
else
- error("Invalid --sort key: `%s'", tok);
+ pr_err("Invalid --sort key: `%s'", tok);
break;
} else if (ret == -ESRCH) {
- error("Unknown --sort key: `%s'", tok);
+ pr_err("Unknown --sort key: `%s'", tok);
break;
}
}
@@ -2594,7 +2594,7 @@ static int setup_sort_order(struct perf_evlist *evlist)
return 0;

if (sort_order[1] == '\0') {
- error("Invalid --sort key: `+'");
+ pr_err("Invalid --sort key: `+'");
return -EINVAL;
}

@@ -2604,7 +2604,7 @@ static int setup_sort_order(struct perf_evlist *evlist)
*/
if (asprintf(&new_sort_order, "%s,%s",
get_default_sort_order(evlist), sort_order + 1) < 0) {
- error("Not enough memory to set up --sort");
+ pr_err("Not enough memory to set up --sort");
return -ENOMEM;
}

@@ -2668,7 +2668,7 @@ static int __setup_sorting(struct perf_evlist *evlist)

str = strdup(sort_keys);
if (str == NULL) {
- error("Not enough memory to setup sort keys");
+ pr_err("Not enough memory to setup sort keys");
return -ENOMEM;
}

@@ -2678,7 +2678,7 @@ static int __setup_sorting(struct perf_evlist *evlist)
if (!is_strict_order(field_order)) {
str = setup_overhead(str);
if (str == NULL) {
- error("Not enough memory to setup overhead keys");
+ pr_err("Not enough memory to setup overhead keys");
return -ENOMEM;
}
}
@@ -2834,10 +2834,10 @@ static int setup_output_list(struct perf_hpp_list *list, char *str)
tok; tok = strtok_r(NULL, ", ", &tmp)) {
ret = output_field_add(list, tok);
if (ret == -EINVAL) {
- error("Invalid --fields key: `%s'", tok);
+ pr_err("Invalid --fields key: `%s'", tok);
break;
} else if (ret == -ESRCH) {
- error("Unknown --fields key: `%s'", tok);
+ pr_err("Unknown --fields key: `%s'", tok);
break;
}
}
@@ -2877,7 +2877,7 @@ static int __setup_output_field(void)

strp = str = strdup(field_order);
if (str == NULL) {
- error("Not enough memory to setup output fields");
+ pr_err("Not enough memory to setup output fields");
return -ENOMEM;
}

@@ -2885,7 +2885,7 @@ static int __setup_output_field(void)
strp++;

if (!strlen(strp)) {
- error("Invalid --fields key: `+'");
+ pr_err("Invalid --fields key: `+'");
goto out;
}

diff --git a/tools/perf/util/usage.c b/tools/perf/util/usage.c
index 37225dc72738..bf185f28b19e 100644
--- a/tools/perf/util/usage.c
+++ b/tools/perf/util/usage.c
@@ -28,15 +28,9 @@ static __noreturn void die_builtin(const char *err, va_list params)
exit(128);
}

-static void error_builtin(const char *err, va_list params)
-{
- report(" Error: ", err, params);
-}
-
/* If we are in a dlopen()ed .so write to a global variable would segfault
* (ugh), so keep things static. */
static void (*usage_routine)(const char *err) __noreturn = usage_builtin;
-static void (*error_routine)(const char *err, va_list params) = error_builtin;

void usage(const char *err)
{
@@ -51,13 +45,3 @@ void die(const char *err, ...)
die_builtin(err, params);
va_end(params);
}
-
-int error(const char *err, ...)
-{
- va_list params;
-
- va_start(params, err);
- error_routine(err, params);
- va_end(params);
- return -1;
-}
diff --git a/tools/perf/util/util.h b/tools/perf/util/util.h
index 3927ab8df5ac..2c9e58a45310 100644
--- a/tools/perf/util/util.h
+++ b/tools/perf/util/util.h
@@ -16,7 +16,6 @@
/* General helper functions */
void usage(const char *err) __noreturn;
void die(const char *err, ...) __noreturn __printf(1, 2);
-int error(const char *err, ...) __printf(1, 2);

static inline void *zalloc(size_t size)
{
--
2.9.4
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