By default, "trace-cmd report" writes in trace file version 7 and no
trace file compression. A new parameters are added, which can be used to
set desired verrsion and compression of the output trace file.
"trace-cmd report --file-version <version> --compression <compression>"
Signed-off-by: Tzvetomir Stoyanov (VMware) <tz.stoyanov@xxxxxxxxx>
---
tracecmd/trace-record.c | 28 ++++++++++++++++++++++++++++
tracecmd/trace-usage.c | 7 ++++++-
2 files changed, 34 insertions(+), 1 deletion(-)
diff --git a/tracecmd/trace-record.c b/tracecmd/trace-record.c
index ddab7798..7013aee3 100644
--- a/tracecmd/trace-record.c
+++ b/tracecmd/trace-record.c
@@ -5810,6 +5810,8 @@ void init_top_instance(void)
}
enum {
+ OPT_file_ver = 237,
+ OPT_comporession = 238,
OPT_verbose = 239,
OPT_tsc2nsec = 240,
OPT_fork = 241,
@@ -6249,6 +6251,8 @@ static void parse_record_options(int argc,
{"tsc2nsec", no_argument, NULL, OPT_tsc2nsec},
{"poll", no_argument, NULL, OPT_poll},
{"verbose", optional_argument, NULL, OPT_verbose},
+ {"compression", required_argument, NULL, OPT_comporession},
+ {"file-version", required_argument, NULL, OPT_file_ver},
{NULL, 0, NULL, 0}
};
@@ -6674,6 +6678,30 @@ static void parse_record_options(int argc,
cmd_check_die(ctx, CMD_set, *(argv+1), "--poll");
recorder_flags |= TRACECMD_RECORD_POLL;
break;
+ case OPT_comporession:
+ cmd_check_die(ctx, CMD_start, *(argv+1), "--compression");
+ cmd_check_die(ctx, CMD_set, *(argv+1), "--compression");
+ cmd_check_die(ctx, CMD_extract, *(argv+1), "--compression");
+ cmd_check_die(ctx, CMD_stream, *(argv+1), "--compression");
+ cmd_check_die(ctx, CMD_profile, *(argv+1), "--compression");
+ if (strcmp(optarg, "any") && strcmp(optarg, "none") &&
+ !tracecmd_compress_is_supported(optarg, NULL))
+ die("Compression algorithm %s is not supported", optarg);
+ ctx->compression = strdup(optarg);
+ break;
+ case OPT_file_ver:
+ cmd_check_die(ctx, CMD_start, *(argv+1), "--file_version");
+ cmd_check_die(ctx, CMD_set, *(argv+1), "--file_version");
+ cmd_check_die(ctx, CMD_extract, *(argv+1), "--file_version");
+ cmd_check_die(ctx, CMD_stream, *(argv+1), "--file_version");
+ cmd_check_die(ctx, CMD_profile, *(argv+1), "--file_version");
+ ctx->file_version = atoi(optarg);
+ if (ctx->file_version < FILE_VERSION_MIN ||
+ ctx->file_version > FILE_VERSION_MAX)
+ die("Unsupported file version %d, "
+ "supported versions are from %d to %d",
+ ctx->file_version, FILE_VERSION_MIN, FILE_VERSION_MAX);
+ break;
case OPT_quiet:
case 'q':
quiet = true;
diff --git a/tracecmd/trace-usage.c b/tracecmd/trace-usage.c
index 9eb13ecb..ec0af46f 100644
--- a/tracecmd/trace-usage.c
+++ b/tracecmd/trace-usage.c
@@ -69,7 +69,12 @@ static struct usage_help usage_help[] = {
" If 0 is specified, no loop is performed - timestamps offset is calculated only twice,"
" at the beginnig and at the end of the trace\n"
" --poll don't block while reading from the trace buffer\n"
- " --verbose 'level' Set the desired log level\n"
+ " --file-version set the desired trace file version\n"
+ " --compression compress the trace output file, one of these strings can be passed:\n"
+ " any - auto select the best available compression algorithm\n"
+ " none - do not compress the trace file\n"
+ " name - the name of the desired compression algorithms\n"
+ " available algorithms can be listed with trace-cmd list -c\n"
},
{
"set",
--
2.31.1
|