summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
-rw-r--r--tools/perf/builtin-record.c14
-rw-r--r--tools/perf/util/env.h1
-rw-r--r--tools/perf/util/session.h2
3 files changed, 16 insertions, 1 deletions
diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c
index d2b5a22b7249..386e665a166f 100644
--- a/tools/perf/builtin-record.c
+++ b/tools/perf/builtin-record.c
@@ -1186,6 +1186,7 @@ static int __cmd_record(struct record *rec, int argc, const char **argv)
bool disabled = false, draining = false;
struct perf_evlist *sb_evlist = NULL;
int fd;
+ float ratio = 0;
atexit(record__sig_exit);
signal(SIGCHLD, sig_handler);
@@ -1491,6 +1492,11 @@ out_child:
record__mmap_read_all(rec, true);
record__aio_mmap_read_sync(rec);
+ if (rec->session->bytes_transferred && rec->session->bytes_compressed) {
+ ratio = (float)rec->session->bytes_transferred/(float)rec->session->bytes_compressed;
+ session->header.env.comp_ratio = ratio + 0.5;
+ }
+
if (forks) {
int exit_status;
@@ -1537,9 +1543,15 @@ out_child:
else
samples[0] = '\0';
- fprintf(stderr, "[ perf record: Captured and wrote %.3f MB %s%s%s ]\n",
+ fprintf(stderr, "[ perf record: Captured and wrote %.3f MB %s%s%s",
perf_data__size(data) / 1024.0 / 1024.0,
data->path, postfix, samples);
+ if (ratio) {
+ fprintf(stderr, ", compressed (original %.3f MB, ratio is %.3f)",
+ rec->session->bytes_transferred / 1024.0 / 1024.0,
+ ratio);
+ }
+ fprintf(stderr, " ]\n");
}
out_delete_session:
diff --git a/tools/perf/util/env.h b/tools/perf/util/env.h
index 4f8e2b485c01..34868ca7efd1 100644
--- a/tools/perf/util/env.h
+++ b/tools/perf/util/env.h
@@ -62,6 +62,7 @@ struct perf_env {
struct cpu_topology_map *cpu;
struct cpu_cache_level *caches;
int caches_cnt;
+ u32 comp_ratio;
struct numa_node *numa_nodes;
struct memory_node *memory_nodes;
unsigned long long memory_bsize;
diff --git a/tools/perf/util/session.h b/tools/perf/util/session.h
index d96eccd7d27f..0e14884f28b2 100644
--- a/tools/perf/util/session.h
+++ b/tools/perf/util/session.h
@@ -35,6 +35,8 @@ struct perf_session {
struct ordered_events ordered_events;
struct perf_data *data;
struct perf_tool *tool;
+ u64 bytes_transferred;
+ u64 bytes_compressed;
};
struct perf_tool;