diff options
| -rw-r--r-- | tools/perf/Documentation/perf-data.txt | 3 | ||||
| -rw-r--r-- | tools/perf/builtin-data.c | 1 | ||||
| -rw-r--r-- | tools/perf/util/data-convert-bt.c | 57 | ||||
| -rw-r--r-- | tools/perf/util/data-convert.h | 1 |
4 files changed, 42 insertions, 20 deletions
diff --git a/tools/perf/Documentation/perf-data.txt b/tools/perf/Documentation/perf-data.txt index c87180764829..726b9bc9e1a7 100644 --- a/tools/perf/Documentation/perf-data.txt +++ b/tools/perf/Documentation/perf-data.txt @@ -27,6 +27,9 @@ OPTIONS for 'convert' --to-ctf:: Triggers the CTF conversion, specify the path of CTF data directory. +--tod:: + Convert time to wall clock time. + -i:: Specify input perf data file path. diff --git a/tools/perf/builtin-data.c b/tools/perf/builtin-data.c index ca2fb44874e4..8d23b8d6ee8e 100644 --- a/tools/perf/builtin-data.c +++ b/tools/perf/builtin-data.c @@ -65,6 +65,7 @@ static int cmd_data_convert(int argc, const char **argv) OPT_STRING('i', "input", &input_name, "file", "input file name"), #ifdef HAVE_LIBBABELTRACE_SUPPORT OPT_STRING(0, "to-ctf", &to_ctf, NULL, "Convert to CTF format"), + OPT_BOOLEAN(0, "tod", &opts.tod, "Convert time to wall clock time"), #endif OPT_BOOLEAN('f', "force", &opts.force, "don't complain, do it"), OPT_BOOLEAN(0, "all", &opts.all, "Convert all events"), diff --git a/tools/perf/util/data-convert-bt.c b/tools/perf/util/data-convert-bt.c index 5f36fc6a5578..27c5fef9ad54 100644 --- a/tools/perf/util/data-convert-bt.c +++ b/tools/perf/util/data-convert-bt.c @@ -31,6 +31,9 @@ #include "config.h" #include <linux/ctype.h> #include <linux/err.h> +#include <linux/time64.h> +#include "util.h" +#include "clockid.h" #define pr_N(n, fmt, ...) \ eprintf(n, debug_data_convert, fmt, ##__VA_ARGS__) @@ -1381,11 +1384,26 @@ do { \ return 0; } -static int ctf_writer__setup_clock(struct ctf_writer *cw) +static int ctf_writer__setup_clock(struct ctf_writer *cw, + struct perf_session *session, + bool tod) { struct bt_ctf_clock *clock = cw->clock; + const char *desc = "perf clock"; + int64_t offset = 0; - bt_ctf_clock_set_description(clock, "perf clock"); + if (tod) { + struct perf_env *env = &session->header.env; + + if (!env->clock.enabled) { + pr_err("Can't provide --tod time, missing clock data. " + "Please record with -k/--clockid option.\n"); + return -1; + } + + desc = clockid_name(env->clock.clockid); + offset = env->clock.tod_ns - env->clock.clockid_ns; + } #define SET(__n, __v) \ do { \ @@ -1394,8 +1412,8 @@ do { \ } while (0) SET(frequency, 1000000000); - SET(offset_s, 0); - SET(offset, 0); + SET(offset, offset); + SET(description, desc); SET(precision, 10); SET(is_absolute, 0); @@ -1481,7 +1499,8 @@ static void ctf_writer__cleanup(struct ctf_writer *cw) memset(cw, 0, sizeof(*cw)); } -static int ctf_writer__init(struct ctf_writer *cw, const char *path) +static int ctf_writer__init(struct ctf_writer *cw, const char *path, + struct perf_session *session, bool tod) { struct bt_ctf_writer *writer; struct bt_ctf_stream_class *stream_class; @@ -1505,7 +1524,7 @@ static int ctf_writer__init(struct ctf_writer *cw, const char *path) cw->clock = clock; - if (ctf_writer__setup_clock(cw)) { + if (ctf_writer__setup_clock(cw, session, tod)) { pr("Failed to setup CTF clock.\n"); goto err_cleanup; } @@ -1613,17 +1632,15 @@ int bt_convert__perf2ctf(const char *input, const char *path, if (err) return err; - /* CTF writer */ - if (ctf_writer__init(cw, path)) - return -1; - err = -1; /* perf.data session */ session = perf_session__new(&data, 0, &c.tool); - if (IS_ERR(session)) { - err = PTR_ERR(session); - goto free_writer; - } + if (IS_ERR(session)) + return PTR_ERR(session); + + /* CTF writer */ + if (ctf_writer__init(cw, path, session, opts->tod)) + goto free_session; if (c.queue_size) { ordered_events__set_alloc_size(&session->ordered_events, @@ -1632,17 +1649,17 @@ int bt_convert__perf2ctf(const char *input, const char *path, /* CTF writer env/clock setup */ if (ctf_writer__setup_env(cw, session)) - goto free_session; + goto free_writer; /* CTF events setup */ if (setup_events(cw, session)) - goto free_session; + goto free_writer; if (opts->all && setup_non_sample_events(cw, session)) - goto free_session; + goto free_writer; if (setup_streams(cw, session)) - goto free_session; + goto free_writer; err = perf_session__process_events(session); if (!err) @@ -1670,10 +1687,10 @@ int bt_convert__perf2ctf(const char *input, const char *path, return err; -free_session: - perf_session__delete(session); free_writer: ctf_writer__cleanup(cw); +free_session: + perf_session__delete(session); pr_err("Error during conversion setup.\n"); return err; } diff --git a/tools/perf/util/data-convert.h b/tools/perf/util/data-convert.h index af90b6076c06..feab5f114e37 100644 --- a/tools/perf/util/data-convert.h +++ b/tools/perf/util/data-convert.h @@ -5,6 +5,7 @@ struct perf_data_convert_opts { bool force; bool all; + bool tod; }; #endif /* __DATA_CONVERT_H */ |