diff options
Diffstat (limited to 'tools/perf')
| -rw-r--r-- | tools/perf/Documentation/perf-report.txt | 9 | ||||
| -rw-r--r-- | tools/perf/builtin-report.c | 50 |
2 files changed, 54 insertions, 5 deletions
diff --git a/tools/perf/Documentation/perf-report.txt b/tools/perf/Documentation/perf-report.txt index 856c3c7e94fa..63d0db3184c9 100644 --- a/tools/perf/Documentation/perf-report.txt +++ b/tools/perf/Documentation/perf-report.txt @@ -457,6 +457,13 @@ include::itrace.txt[] will be printed. Each entry is function name or file/line. Enabled by default, disable with --no-inline. +--mmaps:: + Show --tasks output plus mmap information in a format similar to + /proc/<PID>/maps. + + Please note that not all mmaps are stored, options affecting which ones + are include 'perf record --data', for instance. + --stats:: Display overall events statistics without any further processing. (like the one at the end of the perf report -D command) @@ -469,4 +476,4 @@ include::callchain-overhead-calculation.txt[] SEE ALSO -------- -linkperf:perf-stat[1], linkperf:perf-annotate[1] +linkperf:perf-stat[1], linkperf:perf-annotate[1], linkperf:perf-record[1] diff --git a/tools/perf/builtin-report.c b/tools/perf/builtin-report.c index 2c7bd85651dc..dd4df9a5cd06 100644 --- a/tools/perf/builtin-report.c +++ b/tools/perf/builtin-report.c @@ -52,6 +52,7 @@ #include <sys/types.h> #include <sys/stat.h> #include <unistd.h> +#include <linux/mman.h> #define PTIME_RANGE_MAX 10 @@ -65,6 +66,7 @@ struct report { bool mem_mode; bool stats_mode; bool tasks_mode; + bool mmaps_mode; bool header; bool header_only; bool nonany_branch_mode; @@ -608,6 +610,10 @@ static int stats_print(struct report *rep) static void tasks_setup(struct report *rep) { memset(&rep->tool, 0, sizeof(rep->tool)); + if (rep->mmaps_mode) { + rep->tool.mmap = perf_event__process_mmap; + rep->tool.mmap2 = perf_event__process_mmap2; + } rep->tool.comm = perf_event__process_comm; rep->tool.exit = perf_event__process_exit; rep->tool.fork = perf_event__process_fork; @@ -642,14 +648,46 @@ static struct task *tasks_list(struct task *task, struct machine *machine) return tasks_list(parent_task, machine); } +static size_t maps__fprintf_task(struct maps *maps, int indent, FILE *fp) +{ + size_t printed = 0; + struct rb_node *nd; + + for (nd = rb_first(&maps->entries); nd; nd = rb_next(nd)) { + struct map *map = rb_entry(nd, struct map, rb_node); + + printed += fprintf(fp, "%*s %" PRIx64 "-%" PRIx64 " %c%c%c%c %08" PRIx64 " %" PRIu64 " %s\n", + indent, "", map->start, map->end, + map->prot & PROT_READ ? 'r' : '-', + map->prot & PROT_WRITE ? 'w' : '-', + map->prot & PROT_EXEC ? 'x' : '-', + map->flags & MAP_SHARED ? 's' : 'p', + map->pgoff, + map->ino, map->dso->name); + } + + return printed; +} + +static int map_groups__fprintf_task(struct map_groups *mg, int indent, FILE *fp) +{ + int printed = 0, i; + for (i = 0; i < MAP__NR_TYPES; ++i) + printed += maps__fprintf_task(&mg->maps[i], indent, fp); + return printed; +} + static void task__print_level(struct task *task, FILE *fp, int level) { struct thread *thread = task->thread; struct task *child; + int comm_indent = fprintf(fp, " %8d %8d %8d |%*s", + thread->pid_, thread->tid, thread->ppid, + level, ""); + + fprintf(fp, "%s\n", thread__comm_str(thread)); - fprintf(fp, " %8d %8d %8d |%*s%s\n", - thread->pid_, thread->tid, thread->ppid, - level, "", thread__comm_str(thread)); + map_groups__fprintf_task(thread->mg, comm_indent, fp); if (!list_empty(&task->children)) { list_for_each_entry(child, &task->children, list) @@ -930,6 +968,7 @@ int cmd_report(int argc, const char **argv) "dump raw trace in ASCII"), OPT_BOOLEAN(0, "stats", &report.stats_mode, "Display event stats"), OPT_BOOLEAN(0, "tasks", &report.tasks_mode, "Display recorded tasks"), + OPT_BOOLEAN(0, "mmaps", &report.mmaps_mode, "Display recorded tasks memory maps"), OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name, "file", "vmlinux pathname"), OPT_STRING(0, "kallsyms", &symbol_conf.kallsyms_name, @@ -1077,6 +1116,9 @@ int cmd_report(int argc, const char **argv) report.symbol_filter_str = argv[0]; } + if (report.mmaps_mode) + report.tasks_mode = true; + if (quiet) perf_quiet_option(); @@ -1194,7 +1236,7 @@ repeat: if (report.stats_mode || report.tasks_mode) use_browser = 0; if (report.stats_mode && report.tasks_mode) { - pr_err("Error: --tasks and --stats options cannot be used together\n"); + pr_err("Error: --tasks and --mmaps can't be used together with --stats\n"); goto error; } |