[lttng-dev] [PATCH] bin/lttng/commands: require exactly one of --kernel and --userspace
David Goulet
david.goulet at polymtl.ca
Wed Feb 1 11:52:04 EST 2012
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On 12-02-01 11:46 AM, Thibault, Daniel wrote:
> From 819b327b481ef55c2aaa0a59e7fbb751010eb0f9 Wed, 1 Feb 2012 11:44:31 -0500
> From: Daniel U. Thibault <daniel.thibault at drdc-rddc.gc.ca>
> Date: Wed, 1 Feb 2012 11:44:08 -0500
> Subject: [PATCH] bin/lttng/commands: require exactly one of --kernel and --userspace
>
> Applies to add_context, calibrate, enable/disable_channels/events;
> list can have none, one or both.
>
> Signed-off-by: Daniel U. Thibault <daniel.thibault at drdc-rddc.gc.ca>
>
> diff --git a/src/bin/lttng/commands/add_context.c b/src/bin/lttng/commands/add_context.c
> index d37ece3..72833b4 100644
> --- a/src/bin/lttng/commands/add_context.c
> +++ b/src/bin/lttng/commands/add_context.c
> @@ -327,7 +327,7 @@
> #endif
> fprintf(ofp, " -t, --type TYPE Context type. You can repeat that option on\n");
> fprintf(ofp, " the command line to specify multiple contexts at once.\n");
> - fprintf(ofp, " (--kernel preempts --userspace)\n");
> + fprintf(ofp, " (--kernel and --userspace are mutually exclusive)\n");
> fprintf(ofp, " TYPE can be one of the strings below:\n");
> print_ctx_type(ofp);
> fprintf(ofp, "\n");
> @@ -371,15 +371,11 @@
> struct ctx_type *type;
> char *ptr;
>
> - if (opt_kernel) {
> - dom.type = LTTNG_DOMAIN_KERNEL;
> - } else if (opt_userspace) {
> - dom.type = LTTNG_DOMAIN_UST;
> - } else {
> - ERR("Please specify a tracer (-k/--kernel or -u/--userspace)");
> - ret = CMD_ERROR;
> - goto error;
> - }
> + /*
> + * cmd_add_context() ensures exactly one
> + * of opt_kernel and opt_userspace is set
> + */
> + dom.type = (opt_kernel ? LTTNG_DOMAIN_KERNEL : LTTNG_DOMAIN_UST);
Quickly looking at this patch. We can't do that because there is 3 other
possible unsupported domain (see lttng.h). So, this is why I kept the above
if..else.
For the fprintf saying that -u and -k are mutually exclusive, It's a good idea
but perhaps adding it at the top as a "notice" ?
Thanks
David
>
> handle = lttng_create_handle(session_name, &dom);
> if (handle == NULL) {
> @@ -469,7 +465,6 @@
> switch (opt) {
> case OPT_HELP:
> usage(stdout);
> - ret = CMD_SUCCESS;
> goto end;
> case OPT_TYPE:
> /*
> @@ -508,7 +503,6 @@
> break;
> case OPT_LIST_OPTIONS:
> list_cmd_options(stdout, long_options);
> - ret = CMD_SUCCESS;
> goto end;
> default:
> usage(stderr);
> @@ -517,6 +511,16 @@
> }
> }
>
> + if (opt_kernel && opt_userspace) {
> + ERR("Can't use -k/--kernel and -u/--userspace together");
> + ret = CMD_FATAL;
> + goto end;
> + } else if (!opt_kernel && !opt_userspace) {
> + ERR("Please specify a tracer (-k/--kernel or -u/--userspace)");
> + ret = CMD_FATAL;
> + goto end;
> + }
> +
> session_name = (opt_session_name ? opt_session_name : get_session_name() );
> if (session_name == NULL) {
> ret = CMD_ERROR;
> diff --git a/src/bin/lttng/commands/calibrate.c b/src/bin/lttng/commands/calibrate.c
> index 591c869..b4c6cb5 100644
> --- a/src/bin/lttng/commands/calibrate.c
> +++ b/src/bin/lttng/commands/calibrate.c
> @@ -93,25 +93,24 @@
> #if 0
> fprintf(ofp, " -u, --userspace [CMD] Apply to the user-space tracer (domain: UST\n");
> fprintf(ofp, " EXEC_NAME). If no CMD, the domain is UST global.\n";
> - fprintf(ofp, " (-k preempts -u)\n");
> + fprintf(ofp, " (--kernel and --userspace are mutually exclusive)\n");
> fprintf(ofp, " -p, --pid PID If -u, apply to specific PID (domain: UST PID)\n");
> #else
> fprintf(ofp, " -u, --userspace Apply to the user-space tracer\n");
> + fprintf(ofp, " (--kernel and --userspace are mutually exclusive)\n");
> #endif
> fprintf(ofp, "\n");
> fprintf(ofp, "Calibrate options:\n");
> #if 0
> - fprintf(ofp, " --tracepoint Tracepoint event (default)\n");
> - fprintf(ofp, " --probe\n");
> - fprintf(ofp, " Dynamic probe.\n");
> + fprintf(ofp, " --tracepoint Tracepoint event (default)\n");
> + fprintf(ofp, " --probe Dynamic probe.\n");
> #if 0
> - fprintf(ofp, " --function:entry symbol\n");
> - fprintf(ofp, " Function tracer event\n");
> + fprintf(ofp, " --function:entry symbol Function tracer event\n");
> #endif
> - fprintf(ofp, " --syscall System call eventl\n");
> - fprintf(ofp, " --marker User-space marker (deprecated)\n");
> + fprintf(ofp, " --syscall System call eventl\n");
> + fprintf(ofp, " --marker User-space marker (deprecated)\n");
> #else
> - fprintf(ofp, " --function Dynamic function entry/return probe (default)\n");
> + fprintf(ofp, " --function Dynamic function entry/return probe (default)\n");
> #endif
> fprintf(ofp, "\n");
> }
> @@ -128,15 +127,11 @@
> struct lttng_calibrate calibrate;
>
> /* Create lttng domain */
> - if (opt_kernel) {
> - dom.type = LTTNG_DOMAIN_KERNEL;
> - } else if (opt_userspace) {
> - dom.type = LTTNG_DOMAIN_UST;
> - } else {
> - ERR("Please specify a tracer (-k/--kernel or -u/--userspace)");
> - ret = CMD_ERROR;
> - goto error;
> - }
> + /*
> + * cmd_calibrate() ensures exactly one
> + * of opt_kernel and opt_userspace is set
> + */
> + dom.type = (opt_kernel ? LTTNG_DOMAIN_KERNEL : LTTNG_DOMAIN_UST);
>
> handle = lttng_create_handle(NULL, &dom);
> if (handle == NULL) {
> @@ -159,6 +154,7 @@
> ret = CMD_ERROR;
> goto error;
> }
> + ret = CMD_SUCCESS;
> MSG("%s calibration done", opt_kernel ? "Kernel" : "UST");
> break;
> case LTTNG_EVENT_FUNCTION_ENTRY:
> @@ -171,8 +167,6 @@
> ret = CMD_UNDEFINED;
> goto error;
> }
> -
> - ret = CMD_SUCCESS;
>
> error:
> lttng_destroy_handle(handle);
> @@ -187,7 +181,7 @@
> */
> int cmd_calibrate(int argc, const char **argv)
> {
> - int opt, ret;
> + int opt, ret = CMD_SUCCESS;
> static poptContext pc;
>
> pc = poptGetContext(NULL, argc, argv, long_options, 0);
> @@ -200,7 +194,6 @@
> switch (opt) {
> case OPT_HELP:
> usage(stdout);
> - ret = CMD_SUCCESS;
> goto end;
> case OPT_TRACEPOINT:
> ret = CMD_UNDEFINED;
> @@ -225,7 +218,6 @@
> break;
> case OPT_LIST_OPTIONS:
> list_cmd_options(stdout, long_options);
> - ret = CMD_SUCCESS;
> goto end;
> default:
> usage(stderr);
> @@ -234,6 +226,16 @@
> }
> }
>
> + if (opt_kernel && opt_userspace) {
> + ERR("Can't use -k/--kernel and -u/--userspace together");
> + ret = CMD_FATAL;
> + goto end;
> + } else if (!opt_kernel && !opt_userspace) {
> + ERR("Please specify a tracer (-k/--kernel or -u/--userspace)");
> + ret = CMD_FATAL;
> + goto end;
> + }
> +
> ret = calibrate_lttng();
>
> end:
> diff --git a/src/bin/lttng/commands/disable_channels.c b/src/bin/lttng/commands/disable_channels.c
> index f6929e6..951fa10 100644
> --- a/src/bin/lttng/commands/disable_channels.c
> +++ b/src/bin/lttng/commands/disable_channels.c
> @@ -76,11 +76,11 @@
> fprintf(ofp, " -u, --userspace [CMD] Apply to the user-space tracer\n");
> fprintf(ofp, " If no CMD, the domain used is UST global\n");
> fprintf(ofp, " otherwise the domain is UST EXEC_NAME\n");
> - fprintf(ofp, " (--kernel preempts --userspace)\n");
> + fprintf(ofp, " (--kernel and --userspace are mutually exclusive)\n");
> fprintf(ofp, " -p, --pid PID If -u, apply to specific PID (domain: UST PID)\n");
> #else
> fprintf(ofp, " -u, --userspace Apply to the user-space tracer\n");
> - fprintf(ofp, " (--kernel preempts --userspace)\n");
> + fprintf(ofp, " (--kernel and --userspace are mutually exclusive)\n");
> #endif
> fprintf(ofp, "\n");
> }
> @@ -99,15 +99,11 @@
> struct lttng_domain dom;
>
> /* Create lttng domain */
> - if (opt_kernel) {
> - dom.type = LTTNG_DOMAIN_KERNEL;
> - } else if (opt_userspace) {
> - dom.type = LTTNG_DOMAIN_UST;
> - } else {
> - ERR("Please specify a tracer (-k/--kernel or -u/--userspace)");
> - ret = CMD_ERROR;
> - goto error;
> - }
> + /*
> + * cmd_disable_channels() ensures exactly one
> + * of opt_kernel and opt_userspace is set
> + */
> + dom.type = (opt_kernel ? LTTNG_DOMAIN_KERNEL : LTTNG_DOMAIN_UST);
>
> handle = lttng_create_handle(session_name, &dom);
> if (handle == NULL) {
> @@ -188,6 +184,16 @@
> }
> }
>
> + if (opt_kernel && opt_userspace) {
> + ERR("Can't use -k/--kernel and -u/--userspace together");
> + ret = CMD_FATAL;
> + goto end;
> + } else if (!opt_kernel && !opt_userspace) {
> + ERR("Please specify a tracer (-k/--kernel or -u/--userspace)");
> + ret = CMD_FATAL;
> + goto end;
> + }
> +
> opt_channels = (char*) poptGetArg(pc);
> if (opt_channels == NULL) {
> ERR("Missing channel name(s).\n");
> diff --git a/src/bin/lttng/commands/disable_events.c b/src/bin/lttng/commands/disable_events.c
> index 23f4858..7b2223c 100644
> --- a/src/bin/lttng/commands/disable_events.c
> +++ b/src/bin/lttng/commands/disable_events.c
> @@ -82,11 +82,11 @@
> fprintf(ofp, " -u, --userspace [CMD] Apply to the user-space tracer\n");
> fprintf(ofp, " If no CMD, the domain used is UST global\n");
> fprintf(ofp, " otherwise the domain is UST EXEC_NAME\n");
> - fprintf(ofp, " (--kernel preempts --userspace)\n");
> + fprintf(ofp, " (--kernel and --userspace are mutually exclusive)\n");
> fprintf(ofp, " -p, --pid PID If -u, apply to specific PID (domain: UST PID)\n");
> #else
> fprintf(ofp, " -u, --userspace Apply to the user-space tracer\n");
> - fprintf(ofp, " (--kernel preempts --userspace)\n");
> + fprintf(ofp, " (--kernel and --userspace are mutually exclusive)\n");
> #endif
> fprintf(ofp, "\n");
> }
> @@ -111,23 +111,12 @@
> channel_name = opt_channel_name;
> }
>
> - /* TODO: Either do this test everywhere or don't do it anywhere */
> - if (opt_kernel && opt_userspace) {
> - ERR("Can't use -k/--kernel and -u/--userspace together");
> - ret = CMD_FATAL;
> - goto error;
> - }
> -
> /* Create lttng domain */
> - if (opt_kernel) {
> - dom.type = LTTNG_DOMAIN_KERNEL;
> - } else if (opt_userspace) {
> - dom.type = LTTNG_DOMAIN_UST;
> - } else {
> - ERR("Please specify a tracer (-k/--kernel or -u/--userspace)");
> - ret = CMD_ERROR;
> - goto error;
> - }
> + /*
> + * cmd_disable_events() ensures exactly one
> + * of opt_kernel and opt_userspace is set
> + */
> + dom.type = (opt_kernel ? LTTNG_DOMAIN_KERNEL : LTTNG_DOMAIN_UST);
>
> handle = lttng_create_handle(session_name, &dom);
> if (handle == NULL) {
> @@ -155,7 +144,7 @@
> if (opt_kernel) {
> DBG("Disabling kernel event %s in channel %s",
> event_name, channel_name);
> - } else if (opt_userspace) { /* User-space tracer action */
> + } else { /* User-space tracer action */
> #if 0
> if (opt_cmd_name != NULL || opt_pid) {
> MSG("Only supporting tracing all UST processes (-u) for now.");
> @@ -165,10 +154,6 @@
> #endif
> DBG("Disabling UST event %s in channel %s",
> event_name, channel_name);
> - } else {
> - ERR("Please specify a tracer (-k/--kernel or -u/--userspace)");
> - ret = CMD_ERROR;
> - goto error;
> }
>
> ret = lttng_disable_event(handle, event_name, channel_name);
> @@ -231,6 +216,16 @@
> }
> }
>
> + if (opt_kernel && opt_userspace) {
> + ERR("Can't use -k/--kernel and -u/--userspace together");
> + ret = CMD_FATAL;
> + goto end;
> + } else if (!opt_kernel && !opt_userspace) {
> + ERR("Please specify a tracer (-k/--kernel or -u/--userspace)");
> + ret = CMD_FATAL;
> + goto end;
> + }
> +
> opt_event_list = (char*) poptGetArg(pc);
> if (opt_event_list == NULL && opt_disable_all == 0) {
> ERR("Missing event name(s).\n");
> diff --git a/src/bin/lttng/commands/enable_channels.c b/src/bin/lttng/commands/enable_channels.c
> index 7bebf76..566e017 100644
> --- a/src/bin/lttng/commands/enable_channels.c
> +++ b/src/bin/lttng/commands/enable_channels.c
> @@ -91,11 +91,11 @@
> fprintf(ofp, " -u, --userspace [CMD] Apply to the user-space tracer\n");
> fprintf(ofp, " If no CMD, the domain used is UST global\n");
> fprintf(ofp, " otherwise the domain is UST EXEC_NAME\n");
> - fprintf(ofp, " (--kernel preempts --userspace)\n");
> + fprintf(ofp, " (--kernel and --userspace are mutually exclusive)\n");
> fprintf(ofp, " -p, --pid PID If -u, apply to specific PID (domain: UST PID)\n");
> #else
> fprintf(ofp, " -u, --userspace Apply to the user-space tracer\n");
> - fprintf(ofp, " (--kernel preempts --userspace)\n");
> + fprintf(ofp, " (--kernel and --userspace are mutually exclusive)\n");
> #endif
> fprintf(ofp, "\n");
> fprintf(ofp, "Channel options:\n");
> @@ -163,15 +163,11 @@
> struct lttng_domain dom;
>
> /* Create lttng domain */
> - if (opt_kernel) {
> - dom.type = LTTNG_DOMAIN_KERNEL;
> - } else if (opt_userspace) {
> - dom.type = LTTNG_DOMAIN_UST;
> - } else {
> - ERR("Please specify a tracer (-k/--kernel or -u/--userspace)");
> - ret = CMD_ERROR;
> - goto error;
> - }
> + /*
> + * cmd_enable_channels() ensures exactly one
> + * of opt_kernel and opt_userspace is set
> + */
> + dom.type = (opt_kernel ? LTTNG_DOMAIN_KERNEL : LTTNG_DOMAIN_UST);
>
> set_default_attr(&dom);
>
> @@ -317,6 +313,16 @@
> }
> }
>
> + if (opt_kernel && opt_userspace) {
> + ERR("Can't use -k/--kernel and -u/--userspace together");
> + ret = CMD_FATAL;
> + goto end;
> + } else if (!opt_kernel && !opt_userspace) {
> + ERR("Please specify a tracer (-k/--kernel or -u/--userspace)");
> + ret = CMD_FATAL;
> + goto end;
> + }
> +
> opt_channels = (char*) poptGetArg(pc);
> if (opt_channels == NULL) {
> ERR("Missing channel name(s).\n");
> diff --git a/src/bin/lttng/commands/enable_events.c b/src/bin/lttng/commands/enable_events.c
> index 695e374..94b9eb7 100644
> --- a/src/bin/lttng/commands/enable_events.c
> +++ b/src/bin/lttng/commands/enable_events.c
> @@ -110,11 +110,11 @@
> fprintf(ofp, " -u, --userspace [CMD] Apply to the user-space tracer\n");
> fprintf(ofp, " If no CMD, the domain used is UST global\n");
> fprintf(ofp, " otherwise the domain is UST EXEC_NAME\n");
> - fprintf(ofp, " (--kernel preempts --userspace)\n");
> + fprintf(ofp, " (--kernel and --userspace are mutually exclusive)\n");
> fprintf(ofp, " -p, --pid PID If -u, apply to specific PID (domain: UST PID)\n");
> #else
> fprintf(ofp, " -u, --userspace Apply to the user-space tracer\n");
> - fprintf(ofp, " (--kernel preempts --userspace)\n");
> + fprintf(ofp, " (--kernel and --userspace are mutually exclusive)\n");
> #endif
> fprintf(ofp, "\n");
> fprintf(ofp, "Event options:\n");
> @@ -124,10 +124,8 @@
> fprintf(ofp, " e.g.:\n");
> fprintf(ofp, " \"*\"\n");
> fprintf(ofp, " \"app_component:na*\"\n");
> - fprintf(ofp, " --loglevel name\n");
> - fprintf(ofp, " Tracepoint loglevel (range: 0 to loglevel)\n");
> - fprintf(ofp, " --loglevel-only name\n");
> - fprintf(ofp, " Tracepoint loglevel (only this loglevel)\n");
> + fprintf(ofp, " --loglevel name Tracepoint loglevel (range: 0 to loglevel)\n");
> + fprintf(ofp, " --loglevel-only name Tracepoint loglevel (only this loglevel)\n");
> fprintf(ofp, " --probe [addr | symbol | symbol+offset]\n");
> fprintf(ofp, " Dynamic probe.\n");
> fprintf(ofp, " Addr and offset can be octal (0NNN...),\n");
> @@ -236,23 +234,12 @@
> channel_name = opt_channel_name;
> }
>
> - /* TODO: Either do this test everywhere or don't do it anywhere */
> - if (opt_kernel && opt_userspace) {
> - ERR("Can't use -k/--kernel and -u/--userspace together");
> - ret = CMD_FATAL;
> - goto error;
> - }
> -
> /* Create lttng domain */
> - if (opt_kernel) {
> - dom.type = LTTNG_DOMAIN_KERNEL;
> - } else if (opt_userspace) {
> - dom.type = LTTNG_DOMAIN_UST;
> - } else {
> - ERR("Please specify a tracer (-k/--kernel or -u/--userspace)");
> - ret = CMD_ERROR;
> - goto error;
> - }
> + /*
> + * cmd_enable_events() ensures exactly one
> + * of opt_kernel and opt_userspace is set
> + */
> + dom.type = (opt_kernel ? LTTNG_DOMAIN_KERNEL : LTTNG_DOMAIN_UST);
>
> handle = lttng_create_handle(session_name, &dom);
> if (handle == NULL) {
> @@ -363,7 +350,7 @@
> /* kernel loglevels not implemented */
> ev.loglevel_type = opt_loglevel_type;
> ev.loglevel[0] = '\0';
> - } else if (opt_userspace) { /* User-space tracer action */
> + } else { /* User-space tracer action */
> #if 0
> if (opt_cmd_name != NULL || opt_pid) {
> MSG("Only supporting tracing all UST processes (-u) for now.");
> @@ -396,10 +383,6 @@
> ev.loglevel_type = opt_loglevel_type;
> strncpy(ev.loglevel, opt_loglevel, LTTNG_SYMBOL_NAME_LEN);
> ev.loglevel[LTTNG_SYMBOL_NAME_LEN - 1] = '\0';
> - } else {
> - ERR("Please specify a tracer (-k/--kernel or -u/--userspace)");
> - ret = CMD_ERROR;
> - goto error;
> }
>
> ret = lttng_enable_event(handle, &ev, channel_name);
> @@ -482,6 +465,16 @@
> }
> }
>
> + if (opt_kernel && opt_userspace) {
> + ERR("Can't use -k/--kernel and -u/--userspace together");
> + ret = CMD_FATAL;
> + goto end;
> + } else if (!opt_kernel && !opt_userspace) {
> + ERR("Please specify a tracer (-k/--kernel or -u/--userspace)");
> + ret = CMD_FATAL;
> + goto end;
> + }
> +
> opt_event_list = (char*) poptGetArg(pc);
> if (opt_event_list == NULL && opt_enable_all == 0) {
> ERR("Missing event name(s).\n");
> @@ -490,6 +483,7 @@
> goto end;
> }
>
> + /* TODO Simplify this if */
> if (!opt_session_name) {
> session_name = get_session_name();
> if (session_name == NULL) {
> diff --git a/src/bin/lttng/commands/list.c b/src/bin/lttng/commands/list.c
> index 61e1f23..9a91f5c 100644
> --- a/src/bin/lttng/commands/list.c
> +++ b/src/bin/lttng/commands/list.c
> @@ -70,22 +70,23 @@
> */
> static void usage(FILE *ofp)
> {
> - fprintf(ofp, "usage: lttng list [SESSION [<OPTIONS>]]\n");
> + fprintf(ofp, "usage: lttng list [OPTIONS] [SESSION [SESSION_OPTIONS]]\n");
> fprintf(ofp, "\n");
> fprintf(ofp, "With no arguments, list available tracing session(s)\n");
> fprintf(ofp, "\n");
> - fprintf(ofp, "With -k alone, list available kernel events\n");
> - fprintf(ofp, "With -u alone, list available userspace events\n");
> + fprintf(ofp, "Without a session, -k lists available kernel events\n");
> + fprintf(ofp, "Without a session, -u lists available userspace events\n");
> fprintf(ofp, "\n");
> fprintf(ofp, " -h, --help Show this help\n");
> - fprintf(ofp, " --list-options Simple listing of options\n");
> + fprintf(ofp, " --list-options Simple listing of options\n");
> fprintf(ofp, " -k, --kernel Select kernel domain\n");
> fprintf(ofp, " -u, --userspace Select user-space domain.\n");
> + fprintf(ofp, " (You may specify none, one or both of -k and -u)\n");
> #if 0
> fprintf(ofp, " -p, --pid PID List user-space events by PID\n");
> #endif
> fprintf(ofp, "\n");
> - fprintf(ofp, "Options:\n");
> + fprintf(ofp, "Session Options:\n");
> fprintf(ofp, " -c, --channel NAME List details of a channel\n");
> fprintf(ofp, " -d, --domain List available domain(s)\n");
> fprintf(ofp, "\n");
> @@ -529,6 +530,7 @@
>
> /*
> * The 'list <options>' first level command
> + * Returns one of the CMD_* result values.
> */
> int cmd_list(int argc, const char **argv)
> {
> @@ -550,14 +552,13 @@
> while ((opt = poptGetNextOpt(pc)) != -1) {
> switch (opt) {
> case OPT_HELP:
> - usage(stderr);
> + usage(stdout);
> goto end;
> case OPT_USERSPACE:
> opt_userspace = 1;
> break;
> case OPT_LIST_OPTIONS:
> list_cmd_options(stdout, long_options);
> - ret = CMD_SUCCESS;
> goto end;
> default:
> usage(stderr);
> ------------------------------
>
> Daniel U. Thibault
> R & D pour la défense Canada - Valcartier (RDDC Valcartier) / Defence R&D Canada - Valcartier (DRDC Valcartier)
> Système de systèmes (SdS) / System of Systems (SoS)
> Solutions informatiques et expérimentations (SIE) / Computing Solutions and Experimentations (CSE)
> 2459 Boul. Pie XI Nord
> Québec, QC G3J 1X5
> CANADA
> Vox : (418) 844-4000 x4245
> Fax : (418) 844-4538
> NAC: 918V QSDJ
> Gouvernement du Canada / Government of Canada
> <http://www.valcartier.drdc-rddc.gc.ca/>
>
> _______________________________________________
> lttng-dev mailing list
> lttng-dev at lists.lttng.org
> http://lists.lttng.org/cgi-bin/mailman/listinfo/lttng-dev
>
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