diff options
Diffstat (limited to 'Documentation/perf_counter')
| -rw-r--r-- | Documentation/perf_counter/builtin-report.c | 26 |
1 files changed, 21 insertions, 5 deletions
diff --git a/Documentation/perf_counter/builtin-report.c b/Documentation/perf_counter/builtin-report.c index 697f960495fc..b19b893d4ff5 100644 --- a/Documentation/perf_counter/builtin-report.c +++ b/Documentation/perf_counter/builtin-report.c @@ -360,9 +360,17 @@ static int load_kallsyms(void) char *line = NULL; size_t n; + if (getline(&line, &n, file) < 0 || !line) + goto out_delete_dso; + + unsigned long long previous_start; + char c, previous_symbf[4096]; + if (sscanf(line, "%llx %c %s", &previous_start, &c, previous_symbf) != 3) + goto out_delete_line; + while (!feof(file)) { unsigned long long start; - char c, symbf[4096]; + char symbf[4096]; if (getline(&line, &n, file) < 0) break; @@ -371,12 +379,18 @@ static int load_kallsyms(void) goto out_delete_dso; if (sscanf(line, "%llx %c %s", &start, &c, symbf) == 3) { - struct symbol *sym = symbol__new(start, 0x1000000, symbf); + if (start > previous_start) { + struct symbol *sym = symbol__new(previous_start, + start - previous_start, + previous_symbf); - if (sym == NULL) - goto out_delete_dso; + if (sym == NULL) + goto out_delete_dso; - dso__insert_symbol(kernel_dso, sym); + dso__insert_symbol(kernel_dso, sym); + previous_start = start; + strcpy(previous_symbf, symbf); + } } } @@ -385,6 +399,8 @@ static int load_kallsyms(void) fclose(file); return 0; +out_delete_line: + free(line); out_delete_dso: dso__delete(kernel_dso); return -1; |
