am 5abbd967: am 94a845d9: Merge "Lose ionice and renice to toybox." (92c1a372) · Commits · e / os / android_system_core

toolbox/Android.mk

+0 −2

Original line number	Diff line number	Diff line
		@@ -42,7 +42,6 @@ OUR_TOOLS := \
		getevent \
		iftop \
		ioctl \
		ionice \
		log \
		ls \
		lsof \
		@@ -50,7 +49,6 @@ OUR_TOOLS := \
		newfs_msdos \
		ps \
		prlimit \
		renice \
		sendevent \
		start \
		stop \

toolbox/ionice.c

deleted100644 → 0

+0 −58

Original line number	Diff line number	Diff line
		#include <stdio.h>
		#include <stdlib.h>
		#include <string.h>
		#include <unistd.h>
		#include <errno.h>

		#include <cutils/iosched_policy.h>

		static char *classes[] = {"none", "rt", "be", "idle", NULL};

		int ionice_main(int argc, char *argv[])
		{
		IoSchedClass clazz = IoSchedClass_NONE;
		int ioprio = 0;
		int pid;

		if(argc != 2 && argc != 4) {
		fprintf(stderr, "usage: ionice <pid> [none\|rt\|be\|idle] [prio]\n");
		return 1;
		}

		if (!(pid = atoi(argv[1]))) {
		fprintf(stderr, "Invalid pid specified\n");
		return 1;
		}

		if (argc == 2) {
		if (android_get_ioprio(pid, &clazz, &ioprio)) {
		fprintf(stderr, "Failed to read priority (%s)\n", strerror(errno));
		return 1;
		}
		fprintf(stdout, "Pid %d, class %s (%d), prio %d\n", pid, classes[clazz], clazz, ioprio);
		return 0;
		}

		if (!strcmp(argv[2], "none")) {
		clazz = IoSchedClass_NONE;
		} else if (!strcmp(argv[2], "rt")) {
		clazz = IoSchedClass_RT;
		} else if (!strcmp(argv[2], "be")) {
		clazz = IoSchedClass_BE;
		} else if (!strcmp(argv[2], "idle")) {
		clazz = IoSchedClass_IDLE;
		} else {
		fprintf(stderr, "Unsupported class '%s'\n", argv[2]);
		return 1;
		}

		ioprio = atoi(argv[3]);

		printf("Setting pid %d i/o class to %d, prio %d\n", pid, clazz, ioprio);
		if (android_set_ioprio(pid, clazz, ioprio)) {
		fprintf(stderr, "Failed to set priority (%s)\n", strerror(errno));
		return 1;
		}

		return 0;
		}

toolbox/renice.c

deleted100644 → 0

+0 −161

Original line number	Diff line number	Diff line
		/*
		* Copyright (c) 2008, The Android Open Source Project
		* All rights reserved.
		*
		* Redistribution and use in source and binary forms, with or without
		* modification, are permitted provided that the following conditions
		* are met:
		* * Redistributions of source code must retain the above copyright
		* notice, this list of conditions and the following disclaimer.
		* * Redistributions in binary form must reproduce the above copyright
		* notice, this list of conditions and the following disclaimer in
		* the documentation and/or other materials provided with the
		* distribution.
		* * Neither the name of Google, Inc. nor the names of its contributors
		* may be used to endorse or promote products derived from this
		* software without specific prior written permission.
		*
		* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
		* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
		* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
		* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
		* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
		* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
		* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
		* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
		* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
		* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
		* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
		* SUCH DAMAGE.
		*/

		#include <stdio.h>
		#include <unistd.h>
		#include <stdlib.h>
		#include <string.h>
		#include <sys/time.h>
		#include <sys/resource.h>
		#include <sched.h>
		#include <getopt.h>

		static void
		usage(const char *s)
		{
		fprintf(stderr, "USAGE: %s [[-r] [-t TYPE] priority pids ...] [-g pid]\n", s);
		exit(EXIT_FAILURE);
		}

		void print_prio(pid_t pid)
		{
		int sched;
		struct sched_param sp;

		printf("pid %d's priority: %d\n", pid, getpriority(PRIO_PROCESS, pid));

		printf("scheduling class: ");
		sched = sched_getscheduler(pid);
		switch (sched) {
		case SCHED_FIFO:
		printf("FIFO\n");
		break;
		case SCHED_RR:
		printf("RR\n");
		break;
		case SCHED_OTHER:
		printf("Normal\n");
		break;
		case -1:
		perror("sched_getscheduler");
		break;
		default:
		printf("Unknown\n");
		}

		sched_getparam(pid, &sp);
		printf("RT prio: %d (of %d to %d)\n", sp.sched_priority,
		sched_get_priority_min(sched), sched_get_priority_max(sched));
		}

		int get_sched(char *str)
		{
		if (strcasecmp(str, "RR") == 0)
		return SCHED_RR;
		else if (strcasecmp(str, "FIFO") == 0)
		return SCHED_FIFO;
		else if (strcasecmp(str, "NORMAL") == 0)
		return SCHED_OTHER;
		else if (strcasecmp(str, "OTHER") == 0)
		return SCHED_OTHER;
		return SCHED_RR;
		}

		int renice_main(int argc, char *argv[])
		{
		int prio;
		int realtime = 0;
		int opt;
		int sched = SCHED_RR;
		char *cmd = argv[0];

		do {
		opt = getopt(argc, argv, "rt:g:");
		if (opt == -1)
		break;
		switch (opt) {
		case 'r':
		// do realtime priority adjustment
		realtime = 1;
		break;
		case 't':
		sched = get_sched(optarg);
		break;
		case 'g':
		print_prio(atoi(optarg));
		return 0;
		default:
		usage(cmd);
		}
		} while (1);

		argc -= optind;
		argv += optind;

		if (argc < 1)
		usage(cmd);

		prio = atoi(argv[0]);
		argc--;
		argv++;

		if (argc < 1)
		usage(cmd);

		while(argc) {
		pid_t pid;

		pid = atoi(argv[0]);
		argc--;
		argv++;

		if (realtime) {
		struct sched_param sp = { .sched_priority = prio };
		int ret;

		ret = sched_setscheduler(pid, sched, &sp);
		if (ret) {
		perror("sched_set_scheduler");
		exit(EXIT_FAILURE);
		}
		} else {
		int ret;

		ret = setpriority(PRIO_PROCESS, pid, prio);
		if (ret) {
		perror("setpriority");
		exit(EXIT_FAILURE);
		}
		}
		}

		return 0;
		}