X-Git-Url: https://git.lttng.org/?p=lttng-tools.git;a=blobdiff_plain;f=lttng%2Fcommands%2Fcalibrate.c;fp=lttng%2Fcommands%2Fcalibrate.c;h=0000000000000000000000000000000000000000;hp=3fa87e3ecf47f52fbab0d938525aa37bd68d129e;hb=10a8a2237343699e3923d87e24dbf2d7fe225377;hpb=734f79bf717d87817623d382c59086dc9e8ef610 diff --git a/lttng/commands/calibrate.c b/lttng/commands/calibrate.c deleted file mode 100644 index 3fa87e3ec..000000000 --- a/lttng/commands/calibrate.c +++ /dev/null @@ -1,224 +0,0 @@ -/* - * Copyright (C) 2011 - David Goulet - * Copyright (C) 2011 - Mathieu Desnoyers - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; only version 2 - * of the License. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. - */ - -#define _GNU_SOURCE -#include -#include -#include -#include -#include -#include -#include -#include -#include - -#include "../cmd.h" -#include "../conf.h" -#include "../utils.h" - -static int opt_event_type; -static char *opt_kernel; -static int opt_pid_all; -static int opt_userspace; -static char *opt_cmd_name; -static pid_t opt_pid; - -enum { - OPT_HELP = 1, - OPT_TRACEPOINT, - OPT_MARKER, - OPT_PROBE, - OPT_FUNCTION, - OPT_FUNCTION_ENTRY, - OPT_SYSCALL, - OPT_USERSPACE, -}; - -static struct lttng_handle *handle; - -static struct poptOption long_options[] = { - /* longName, shortName, argInfo, argPtr, value, descrip, argDesc */ - {"help", 'h', POPT_ARG_NONE, 0, OPT_HELP, 0, 0}, - {"kernel", 'k', POPT_ARG_VAL, &opt_kernel, 1, 0, 0}, - {"userspace", 'u', POPT_ARG_STRING | POPT_ARGFLAG_OPTIONAL, &opt_cmd_name, OPT_USERSPACE, 0, 0}, - {"all", 0, POPT_ARG_VAL, &opt_pid_all, 1, 0, 0}, - {"pid", 'p', POPT_ARG_INT, &opt_pid, 0, 0, 0}, - {"tracepoint", 0, POPT_ARG_NONE, 0, OPT_TRACEPOINT, 0, 0}, - {"marker", 0, POPT_ARG_NONE, 0, OPT_MARKER, 0, 0}, - {"probe", 0, POPT_ARG_NONE, 0, OPT_PROBE, 0, 0}, - {"function", 0, POPT_ARG_NONE, 0, OPT_FUNCTION, 0, 0}, -#if 0 - /* - * Removed from options to discourage its use. Not in kernel - * tracer anymore. - */ - {"function:entry", 0, POPT_ARG_NONE, 0, OPT_FUNCTION_ENTRY, 0, 0}, -#endif - {"syscall", 0, POPT_ARG_NONE, 0, OPT_SYSCALL, 0, 0}, - {0, 0, 0, 0, 0, 0, 0} -}; - -/* - * usage - */ -static void usage(FILE *ofp) -{ - fprintf(ofp, "usage: lttng calibrate [options] [calibrate_options]\n"); - fprintf(ofp, "\n"); - fprintf(ofp, " -h, --help Show this help\n"); - fprintf(ofp, " -k, --kernel Apply for the kernel tracer\n"); - fprintf(ofp, " -u, --userspace [CMD] Apply for the user-space tracer\n"); - fprintf(ofp, " --all If -u, apply on all traceable apps\n"); - fprintf(ofp, " -p, --pid PID If -u, apply on a specific PID\n"); - fprintf(ofp, "\n"); - fprintf(ofp, "Calibrate options:\n"); - fprintf(ofp, " --tracepoint Tracepoint event (default)\n"); - fprintf(ofp, " --probe\n"); - fprintf(ofp, " Dynamic probe.\n"); - fprintf(ofp, " --function\n"); - fprintf(ofp, " Dynamic function entry/return probe.\n"); -#if 0 - fprintf(ofp, " --function:entry symbol\n"); - fprintf(ofp, " Function tracer event\n"); -#endif - fprintf(ofp, " --syscall System call eventl\n"); - fprintf(ofp, " --marker User-space marker (deprecated)\n"); - fprintf(ofp, "\n"); -} - -/* - * calibrate_lttng - * - * Calibrate LTTng. - */ -static int calibrate_lttng(void) -{ - int ret = CMD_SUCCESS; - struct lttng_domain dom; - struct lttng_calibrate calibrate; - - /* Create lttng domain */ - if (opt_kernel) { - dom.type = LTTNG_DOMAIN_KERNEL; - } - - handle = lttng_create_handle(NULL, &dom); - if (handle == NULL) { - ret = -1; - goto end; - } - - /* Kernel tracer action */ - if (opt_kernel) { - switch (opt_event_type) { - case LTTNG_EVENT_TRACEPOINT: - DBG("Calibrating kernel tracepoints"); - break; - case LTTNG_EVENT_PROBE: - DBG("Calibrating kernel probes"); - break; - case LTTNG_EVENT_FUNCTION: - DBG("Calibrating kernel functions"); - calibrate.type = LTTNG_CALIBRATE_FUNCTION; - ret = lttng_calibrate(handle, &calibrate); - break; - case LTTNG_EVENT_FUNCTION_ENTRY: - DBG("Calibrating kernel function entry"); - break; - case LTTNG_EVENT_SYSCALL: - DBG("Calibrating kernel syscall"); - break; - default: - ret = CMD_NOT_IMPLEMENTED; - goto end; - } - } else if (opt_userspace) { /* User-space tracer action */ - /* - * TODO: Waiting on lttng UST 2.0 - */ - if (opt_pid_all) { - } else if (opt_pid != 0) { - } - ret = CMD_NOT_IMPLEMENTED; - goto end; - } else { - ERR("Please specify a tracer (--kernel or --userspace)"); - goto end; - } -end: - lttng_destroy_handle(handle); - - return ret; -} - -/* - * cmd_calibrate - * - * Calibrate LTTng tracer. - */ -int cmd_calibrate(int argc, const char **argv) -{ - int opt, ret; - static poptContext pc; - - pc = poptGetContext(NULL, argc, argv, long_options, 0); - poptReadDefaultConfig(pc, 0); - - /* Default event type */ - opt_event_type = LTTNG_EVENT_TRACEPOINT; - - while ((opt = poptGetNextOpt(pc)) != -1) { - switch (opt) { - case OPT_HELP: - usage(stderr); - ret = CMD_SUCCESS; - goto end; - case OPT_TRACEPOINT: - ret = CMD_NOT_IMPLEMENTED; - break; - case OPT_MARKER: - ret = CMD_NOT_IMPLEMENTED; - goto end; - case OPT_PROBE: - ret = CMD_NOT_IMPLEMENTED; - break; - case OPT_FUNCTION: - opt_event_type = LTTNG_EVENT_FUNCTION; - break; - case OPT_FUNCTION_ENTRY: - ret = CMD_NOT_IMPLEMENTED; - break; - case OPT_SYSCALL: - ret = CMD_NOT_IMPLEMENTED; - break; - case OPT_USERSPACE: - opt_userspace = 1; - break; - default: - usage(stderr); - ret = CMD_UNDEFINED; - goto end; - } - } - - ret = calibrate_lttng(); - -end: - return ret; -}