aboutsummaryrefslogtreecommitdiff
path: root/tools/perf/builtin-report.c
diff options
context:
space:
mode:
Diffstat (limited to 'tools/perf/builtin-report.c')
-rw-r--r--tools/perf/builtin-report.c38
1 files changed, 20 insertions, 18 deletions
diff --git a/tools/perf/builtin-report.c b/tools/perf/builtin-report.c
index 298f26b8ac7..3b9d24dc0ed 100644
--- a/tools/perf/builtin-report.c
+++ b/tools/perf/builtin-report.c
@@ -97,6 +97,7 @@ static int repsep_fprintf(FILE *fp, const char *fmt, ...)
n = vasprintf(&bf, fmt, ap);
if (n > 0) {
char *sep = bf;
+
while (1) {
sep = strchr(sep, *field_sep);
if (sep == NULL)
@@ -144,7 +145,7 @@ struct hist_entry {
struct sort_entry {
struct list_head list;
- char *header;
+ const char *header;
int64_t (*cmp)(struct hist_entry *, struct hist_entry *);
int64_t (*collapse)(struct hist_entry *, struct hist_entry *);
@@ -328,7 +329,7 @@ static int sort__need_collapse = 0;
static int sort__has_parent = 0;
struct sort_dimension {
- char *name;
+ const char *name;
struct sort_entry *entry;
int taken;
};
@@ -343,7 +344,7 @@ static struct sort_dimension sort_dimensions[] = {
static LIST_HEAD(hist_entry__sort_list);
-static int sort_dimension__add(char *tok)
+static int sort_dimension__add(const char *tok)
{
unsigned int i;
@@ -602,6 +603,7 @@ hist_entry_callchain__fprintf(FILE *fp, struct hist_entry *self,
case CHAIN_GRAPH_REL:
ret += callchain__fprintf_graph(fp, chain,
total_samples, 1, 1);
+ case CHAIN_NONE:
default:
break;
}
@@ -1290,7 +1292,7 @@ process_lost_event(event_t *event, unsigned long offset, unsigned long head)
static void trace_event(event_t *event)
{
unsigned char *raw_event = (void *)event;
- char *color = PERF_COLOR_BLUE;
+ const char *color = PERF_COLOR_BLUE;
int i, j;
if (!dump_trace)
@@ -1348,7 +1350,7 @@ process_read_event(event_t *event, unsigned long offset, unsigned long head)
struct perf_counter_attr *attr = perf_header__find_attr(event->read.id);
if (show_threads) {
- char *name = attr ? __event_name(attr->type, attr->config)
+ const char *name = attr ? __event_name(attr->type, attr->config)
: "unknown";
perf_read_values_add_value(&show_threads_values,
event->read.pid, event->read.tid,
@@ -1411,19 +1413,19 @@ process_event(event_t *event, unsigned long offset, unsigned long head)
static u64 perf_header__sample_type(void)
{
- u64 sample_type = 0;
+ u64 type = 0;
int i;
for (i = 0; i < header->attrs; i++) {
struct perf_header_attr *attr = header->attr[i];
- if (!sample_type)
- sample_type = attr->attr.sample_type;
- else if (sample_type != attr->attr.sample_type)
+ if (!type)
+ type = attr->attr.sample_type;
+ else if (type != attr->attr.sample_type)
die("non matching sample_type");
}
- return sample_type;
+ return type;
}
static int __cmd_report(void)
@@ -1431,7 +1433,7 @@ static int __cmd_report(void)
int ret, rc = EXIT_FAILURE;
unsigned long offset = 0;
unsigned long head, shift;
- struct stat stat;
+ struct stat input_stat;
event_t *event;
uint32_t size;
char *buf;
@@ -1450,13 +1452,13 @@ static int __cmd_report(void)
exit(-1);
}
- ret = fstat(input, &stat);
+ ret = fstat(input, &input_stat);
if (ret < 0) {
perror("failed to stat file");
exit(-1);
}
- if (!stat.st_size) {
+ if (!input_stat.st_size) {
fprintf(stderr, "zero-sized file, nothing to do!\n");
exit(0);
}
@@ -1524,12 +1526,12 @@ more:
size = 8;
if (head + event->header.size >= page_size * mmap_window) {
- int ret;
+ int munmap_ret;
shift = page_size * (head / page_size);
- ret = munmap(buf, page_size * mmap_window);
- assert(ret == 0);
+ munmap_ret = munmap(buf, page_size * mmap_window);
+ assert(munmap_ret == 0);
offset += shift;
head -= shift;
@@ -1568,7 +1570,7 @@ more:
if (offset + head >= header->data_offset + header->data_size)
goto done;
- if (offset + head < (unsigned long)stat.st_size)
+ if (offset + head < (unsigned long)input_stat.st_size)
goto more;
done:
@@ -1666,7 +1668,7 @@ static const struct option options[] = {
"be more verbose (show symbol address, etc)"),
OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace,
"dump raw trace in ASCII"),
- OPT_STRING('k', "vmlinux", &vmlinux, "file", "vmlinux pathname"),
+ OPT_STRING('k', "vmlinux", &vmlinux_name, "file", "vmlinux pathname"),
OPT_BOOLEAN('m', "modules", &modules,
"load module symbols - WARNING: use only with -k and LIVE kernel"),
OPT_BOOLEAN('n', "show-nr-samples", &show_nr_samples,