| /* |
| * Copyright (C) 2015 Cyril Hrubis <chrubis@suse.cz> |
| * |
| * This program is free software; you can redistribute it and/or modify it |
| * under the terms of version 2 of the GNU General Public License as |
| * published by the Free Software Foundation. |
| * |
| * This program is distributed in the hope that it would be useful, but |
| * WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. |
| * |
| * Further, this software is distributed without any warranty that it is |
| * free of the rightful claim of any third person regarding infringement |
| * or the like. Any license provided herein, whether implied or |
| * otherwise, applies only to this software file. Patent licenses, if |
| * any, provided herein do not apply to combinations of this program with |
| * other software, or any other product whatsoever. |
| * |
| * You should have received a copy of the GNU General Public License along |
| * with this program; if not, write the Free Software Foundation, Inc., |
| * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. |
| */ |
| |
| #include <errno.h> |
| |
| #include "test.h" |
| #include "tst_timer.h" |
| #include "tst_clocks.h" |
| #include "lapi/posix_clocks.h" |
| |
| static struct timespec start_time, stop_time; |
| static clockid_t clock_id; |
| |
| static const char *clock_name(clockid_t clk_id) |
| { |
| switch (clk_id) { |
| case CLOCK_REALTIME: |
| return "CLOCK_REALTIME"; |
| case CLOCK_REALTIME_COARSE: |
| return "CLOCK_REALTIME_COARSE"; |
| case CLOCK_MONOTONIC: |
| return "CLOCK_MONOTONIC"; |
| case CLOCK_MONOTONIC_COARSE: |
| return "CLOCK_MONOTONIC_COARSE"; |
| case CLOCK_MONOTONIC_RAW: |
| return "CLOCK_MONOTONIC_RAW"; |
| case CLOCK_BOOTTIME: |
| return "CLOCK_BOOTTIME"; |
| case CLOCK_PROCESS_CPUTIME_ID: |
| return "CLOCK_PROCESS_CPUTIME_ID"; |
| case CLOCK_THREAD_CPUTIME_ID: |
| return "CLOCK_THREAD_CPUTIME_ID"; |
| default: |
| return "UNKNOWN/INVALID"; |
| } |
| } |
| |
| void tst_timer_check(clockid_t clk_id) |
| { |
| if (tst_clock_gettime(clk_id, &start_time)) { |
| if (errno == EINVAL) { |
| tst_brkm(TCONF, NULL, |
| "Clock id %s(%u) not supported by kernel", |
| clock_name(clk_id), clk_id); |
| return; |
| } |
| |
| tst_brkm(TBROK | TERRNO, NULL, "tst_clock_gettime() failed"); |
| } |
| } |
| |
| void tst_timer_start(clockid_t clk_id) |
| { |
| clock_id = clk_id; |
| |
| if (tst_clock_gettime(clock_id, &start_time)) |
| tst_resm(TWARN | TERRNO, "tst_clock_gettime() failed"); |
| } |
| |
| void tst_timer_stop(void) |
| { |
| if (tst_clock_gettime(clock_id, &stop_time)) |
| tst_resm(TWARN | TERRNO, "tst_clock_gettime() failed"); |
| } |
| |
| struct timespec tst_timer_elapsed(void) |
| { |
| return tst_timespec_diff(stop_time, start_time); |
| } |