From: "Tzvetomir Stoyanov (VMware)" <tz.stoyanov@gmail.com>
To: rostedt@goodmis.org
Cc: linux-trace-devel@vger.kernel.org
Subject: [PATCH v5 15/40] trace-cmd record: Add new parameter --compression
Date: Thu, 10 Jun 2021 14:34:01 +0300 [thread overview]
Message-ID: <20210610113426.257931-16-tz.stoyanov@gmail.com> (raw)
In-Reply-To: <20210610113426.257931-1-tz.stoyanov@gmail.com>
Added a new parameter "trace-cmd record --compression", can be used to
select the desired compression algorithm for the trace output file.
One of these strings can be passed:
"any" - auto select the best available compression algorithm
"none" - do not compress the trace file
name - the name of the desired compression algorithms, available
algorithms can be listed with "trace-cmd list -c"
If a compression is used, trace file version 7 is selected, otherwise
trace file version 6 is used.
Signed-off-by: Tzvetomir Stoyanov (VMware) <tz.stoyanov@gmail.com>
---
tracecmd/trace-record.c | 24 +++++++++++++++++++-----
tracecmd/trace-usage.c | 5 +++++
2 files changed, 24 insertions(+), 5 deletions(-)
diff --git a/tracecmd/trace-record.c b/tracecmd/trace-record.c
index 29f84b7c..8f8ea08b 100644
--- a/tracecmd/trace-record.c
+++ b/tracecmd/trace-record.c
@@ -199,6 +199,7 @@ struct common_record_context {
char *date2ts;
char *user;
const char *clock;
+ const char *compression;
struct tsc_nsec tsc2nsec;
int data_flags;
int tsync_loop_interval;
@@ -3700,7 +3701,8 @@ setup_connection(struct buffer_instance *instance, struct common_record_context
/* Now create the handle through this socket */
if (msg_handle->version == V3_PROTOCOL) {
- network_handle = tracecmd_create_init_fd_msg(msg_handle, listed_events, NULL);
+ network_handle = tracecmd_create_init_fd_msg(msg_handle,
+ listed_events, ctx->compression);
if (!network_handle)
goto error;
tracecmd_set_quiet(network_handle, quiet);
@@ -3718,7 +3720,8 @@ setup_connection(struct buffer_instance *instance, struct common_record_context
if (ret)
goto error;
} else {
- network_handle = tracecmd_create_init_fd_glob(msg_handle->fd, listed_events, NULL);
+ network_handle = tracecmd_create_init_fd_glob(msg_handle->fd,
+ listed_events, ctx->compression);
if (!network_handle)
goto error;
tracecmd_set_quiet(network_handle, quiet);
@@ -4066,7 +4069,8 @@ static void setup_agent(struct buffer_instance *instance,
{
struct tracecmd_output *network_handle;
- network_handle = tracecmd_create_init_fd_msg(instance->msg_handle, listed_events, NULL);
+ network_handle = tracecmd_create_init_fd_msg(instance->msg_handle,
+ listed_events, ctx->compression);
add_options(network_handle, ctx);
tracecmd_write_cmdlines(network_handle);
tracecmd_write_cpus(network_handle, instance->cpu_count);
@@ -4458,7 +4462,8 @@ static void record_data(struct common_record_context *ctx)
return;
if (latency) {
- handle = tracecmd_create_file_latency(ctx->output, local_cpu_count, NULL);
+ handle = tracecmd_create_file_latency(ctx->output,
+ local_cpu_count, ctx->compression);
tracecmd_set_quiet(handle, quiet);
} else {
if (!local_cpu_count)
@@ -4489,7 +4494,8 @@ static void record_data(struct common_record_context *ctx)
touch_file(temp_files[i]);
}
- handle = tracecmd_create_init_file_glob(ctx->output, listed_events, NULL);
+ handle = tracecmd_create_init_file_glob(ctx->output,
+ listed_events, ctx->compression);
if (!handle)
die("Error creating output file");
tracecmd_set_quiet(handle, quiet);
@@ -5736,6 +5742,7 @@ void init_top_instance(void)
}
enum {
+ OPT_comporession = 239,
OPT_tsc2nsec = 240,
OPT_fork = 241,
OPT_tsyncinterval = 242,
@@ -6172,6 +6179,7 @@ static void parse_record_options(int argc,
{"fork", no_argument, NULL, OPT_fork},
{"tsc2nsec", no_argument, NULL, OPT_tsc2nsec},
{"poll", no_argument, NULL, OPT_poll},
+ {"compression", required_argument, NULL, OPT_comporession},
{NULL, 0, NULL, 0}
};
@@ -6597,6 +6605,12 @@ 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:
+ 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_quiet:
case 'q':
quiet = true;
diff --git a/tracecmd/trace-usage.c b/tracecmd/trace-usage.c
index cd8ca391..c70f9919 100644
--- a/tracecmd/trace-usage.c
+++ b/tracecmd/trace-usage.c
@@ -69,6 +69,11 @@ 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"
+ " --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
next prev parent reply other threads:[~2021-06-10 11:35 UTC|newest]
Thread overview: 44+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-06-10 11:33 [PATCH v5 00/40] Add trace file compression Tzvetomir Stoyanov (VMware)
2021-06-10 11:33 ` [PATCH v5 01/40] trace-cmd library: Remove unused private APIs for creating trace files Tzvetomir Stoyanov (VMware)
2021-06-10 11:33 ` [PATCH v5 02/40] trace-cmd library: Remove unused API tracecmd_update_option Tzvetomir Stoyanov (VMware)
2021-06-10 11:33 ` [PATCH v5 03/40] trace-cmd: Check if file version is supported Tzvetomir Stoyanov (VMware)
2021-06-10 11:33 ` [PATCH v5 04/40] trace-cmd library: Add new API to get file version of input handler Tzvetomir Stoyanov (VMware)
2021-06-10 11:33 ` [PATCH v5 05/40] trace-cmd library: Select the file version when writing trace file Tzvetomir Stoyanov (VMware)
2021-06-10 11:33 ` [PATCH v5 06/40] trace-cmd: Add APIs for library initialization and free Tzvetomir Stoyanov (VMware)
2021-06-22 1:27 ` Steven Rostedt
2021-06-22 6:41 ` Tzvetomir Stoyanov
2021-06-22 13:21 ` Steven Rostedt
2021-06-10 11:33 ` [PATCH v5 07/40] trace-cmd library: Add support for compression algorithms Tzvetomir Stoyanov (VMware)
2021-06-10 11:33 ` [PATCH v5 08/40] trace-cmd list: Show supported " Tzvetomir Stoyanov (VMware)
2021-06-10 11:33 ` [PATCH v5 09/40] trace-cmd library: Bump the trace file version to 7 Tzvetomir Stoyanov (VMware)
2021-06-10 11:33 ` [PATCH v5 10/40] trace-cmd library: Compress part of the trace file Tzvetomir Stoyanov (VMware)
2021-06-10 11:33 ` [PATCH v5 11/40] trace-cmd library: Read compressed " Tzvetomir Stoyanov (VMware)
2021-06-10 11:33 ` [PATCH v5 12/40] trace-cmd library: Add new API to get compression of input handler Tzvetomir Stoyanov (VMware)
2021-06-10 11:33 ` [PATCH v5 13/40] trace-cmd library: Inherit compression algorithm from input file Tzvetomir Stoyanov (VMware)
2021-06-10 11:34 ` [PATCH v5 14/40] trace-cmd library: Extend the create file APIs to support different compression Tzvetomir Stoyanov (VMware)
2021-06-10 11:34 ` Tzvetomir Stoyanov (VMware) [this message]
2021-06-10 11:34 ` [PATCH v5 16/40] trace-cmd dump: Add support for trace files version 7 Tzvetomir Stoyanov (VMware)
2021-06-10 11:34 ` [PATCH v5 17/40] trace-cmd library: Add support for zlib compression library Tzvetomir Stoyanov (VMware)
2021-06-10 11:34 ` [PATCH v5 18/40] trace-cmd library: Hide the logic for updating buffer offset Tzvetomir Stoyanov (VMware)
2021-06-10 11:34 ` [PATCH v5 19/40] trace-cmd: Move buffers description outside of options Tzvetomir Stoyanov (VMware)
2021-06-10 11:34 ` [PATCH v5 20/40] trace-cmd library: Track the offset in the option section in the trace file Tzvetomir Stoyanov (VMware)
2021-06-10 11:34 ` [PATCH v5 21/40] trace-cmd library: Add compression of the option section of " Tzvetomir Stoyanov (VMware)
2021-06-10 11:34 ` [PATCH v5 22/40] trace-cmd library: Refactor the logic for writing trace data in the file Tzvetomir Stoyanov (VMware)
2021-06-10 11:34 ` [PATCH v5 23/40] trace-cmd library: Add APIs for read and write compressed data in chunks Tzvetomir Stoyanov (VMware)
2021-06-10 11:34 ` [PATCH v5 24/40] trace-cmd: Compress trace data Tzvetomir Stoyanov (VMware)
2021-06-10 11:34 ` [PATCH v5 25/40] trace-cmd: Read compressed " Tzvetomir Stoyanov (VMware)
2021-06-10 11:34 ` [PATCH v5 26/40] trace-cmd library: Compress latency " Tzvetomir Stoyanov (VMware)
2021-06-10 11:34 ` [PATCH v5 27/40] trace-cmd: Read compressed " Tzvetomir Stoyanov (VMware)
2021-06-10 11:34 ` [PATCH v5 28/40] trace-cmd library: Reuse within the library the function that checks file state Tzvetomir Stoyanov (VMware)
2021-06-10 11:34 ` [PATCH v5 29/40] trace-cmd library: Make tracecmd_copy_headers() to work with output handler Tzvetomir Stoyanov (VMware)
2021-06-10 11:34 ` [PATCH v5 30/40] trace-cmd: Do not use trace file compression with streams Tzvetomir Stoyanov (VMware)
2021-06-10 11:34 ` [PATCH v5 31/40] trace-cmd library: Add new API to get file version of output handler Tzvetomir Stoyanov (VMware)
2021-06-10 11:34 ` [PATCH v5 32/40] trace-cmd: Add file state parameter to tracecmd_copy Tzvetomir Stoyanov (VMware)
2021-06-10 11:34 ` [PATCH v5 33/40] trace-cmd: Copy CPU count in tracecmd_copy Tzvetomir Stoyanov (VMware)
2021-06-10 11:34 ` [PATCH v5 34/40] trace-cmd: Copy buffers description " Tzvetomir Stoyanov (VMware)
2021-06-10 11:34 ` [PATCH v5 35/40] trace-cmd: Copy options " Tzvetomir Stoyanov (VMware)
2021-06-10 11:34 ` [PATCH v5 36/40] trace-cmd library: Refactor the logic for writing CPU trace data Tzvetomir Stoyanov (VMware)
2021-06-10 11:34 ` [PATCH v5 37/40] trace-cmd library: Refactor the logic for writing CPU instance " Tzvetomir Stoyanov (VMware)
2021-06-10 11:34 ` [PATCH v5 38/40] trace-cmd: Copy trace data in tracecmd_copy Tzvetomir Stoyanov (VMware)
2021-06-10 11:34 ` [PATCH v5 39/40] trace-cmd: Add compression parameter to tracecmd_copy Tzvetomir Stoyanov (VMware)
2021-06-10 11:34 ` [PATCH v5 40/40] trace-cmd: Add new command "trace-cmd convert" Tzvetomir Stoyanov (VMware)
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