Merge "fs_mgr: Track the bootloader_message struct change."
diff --git a/adb/commandline.cpp b/adb/commandline.cpp
index 82fa19a..b815fef 100644
--- a/adb/commandline.cpp
+++ b/adb/commandline.cpp
@@ -889,7 +889,7 @@
android::base::StringPrintf("sideload-host:%d:%d", sz, SIDELOAD_HOST_BLOCK_SIZE);
std::string error;
unique_fd fd(adb_connect(service, &error));
- if (fd >= 0) {
+ if (fd < 0) {
// Try falling back to the older sideload method. Maybe this
// is an older device that doesn't support sideload-host.
printf("\n");
diff --git a/fs_mgr/fs_mgr_verity.cpp b/fs_mgr/fs_mgr_verity.cpp
index aa32600..25b023e 100644
--- a/fs_mgr/fs_mgr_verity.cpp
+++ b/fs_mgr/fs_mgr_verity.cpp
@@ -142,6 +142,18 @@
return retval;
}
+static int verify_verity_signature(const struct fec_verity_metadata& verity)
+{
+ if (verify_table(verity.signature, sizeof(verity.signature),
+ verity.table, verity.table_length) == 0 ||
+ verify_table(verity.ecc_signature, sizeof(verity.ecc_signature),
+ verity.table, verity.table_length) == 0) {
+ return 0;
+ }
+
+ return -1;
+}
+
static int invalidate_table(char *table, size_t table_length)
{
size_t n = 0;
@@ -947,8 +959,7 @@
}
// verify the signature on the table
- if (verify_table(verity.signature, sizeof(verity.signature), params.table,
- verity.table_length) < 0) {
+ if (verify_verity_signature(verity) < 0) {
if (params.mode == VERITY_MODE_LOGGING) {
// the user has been warned, allow mounting without dm-verity
retval = FS_MGR_SETUP_VERITY_SUCCESS;
diff --git a/logcat/logcat.cpp b/logcat/logcat.cpp
index b8232cd..ea698c8 100644
--- a/logcat/logcat.cpp
+++ b/logcat/logcat.cpp
@@ -290,6 +290,7 @@
" tag thread threadtime time uid usec UTC year zone\n"
" -D, --dividers Print dividers between each log buffer\n"
" -c, --clear Clear (flush) the entire log and exit\n"
+ " if Log to File specified, clear fileset instead\n"
" -d Dump the log and then exit (don't block)\n"
" -e <expr>, --regex=<expr>\n"
" Only print lines where the log message matches <expr>\n"
@@ -1033,7 +1034,35 @@
}
if (clearLog) {
- if (android_logger_clear(dev->logger)) {
+ if (g_outputFileName) {
+ int maxRotationCountDigits =
+ (g_maxRotatedLogs > 0) ? (int) (floor(log10(g_maxRotatedLogs) + 1)) : 0;
+
+ for (int i = g_maxRotatedLogs ; i >= 0 ; --i) {
+ char *file;
+
+ if (i == 0) {
+ asprintf(&file, "%s", g_outputFileName);
+ } else {
+ asprintf(&file, "%s.%.*d", g_outputFileName, maxRotationCountDigits, i);
+ }
+
+ if (!file) {
+ perror("while clearing log files");
+ clearFail = clearFail ?: dev->device;
+ break;
+ }
+
+ err = unlink(file);
+
+ if (err < 0 && errno != ENOENT && clearFail == NULL) {
+ perror("while clearing log files");
+ clearFail = dev->device;
+ }
+
+ free(file);
+ }
+ } else if (android_logger_clear(dev->logger)) {
clearFail = clearFail ?: dev->device;
}
}
diff --git a/logcat/logcatd.rc b/logcat/logcatd.rc
index 70d1dd4..7d70dd9 100644
--- a/logcat/logcatd.rc
+++ b/logcat/logcatd.rc
@@ -5,6 +5,16 @@
exec - logd log -- /system/bin/logcat -L -b ${persist.logd.logpersistd.buffer:-all} -v threadtime -v usec -v printable -D -f /data/misc/logd/logcat -r 1024 -n ${persist.logd.logpersistd.size:-256}
start logcatd
+on property:persist.logd.logpersistd=clear
+ stop logcatd
+ # logd for clear of only our files in /data/misc/logd
+ exec - logd log -- /system/bin/logcat -c -f /data/misc/logd/logcat -n ${persist.logd.logpersistd.size:-256}
+ setprop persist.logd.logpersistd ""
+
+on property:persist.logd.logpersistd=stop
+ stop logcatd
+ setprop persist.logd.logpersistd ""
+
service logcatd /system/bin/logcat -b ${persist.logd.logpersistd.buffer:-all} -v threadtime -v usec -v printable -D -f /data/misc/logd/logcat -r 1024 -n ${persist.logd.logpersistd.size:-256}
class late_start
disabled
diff --git a/logcat/logpersist b/logcat/logpersist
index bd465c8..d1eda37 100755
--- a/logcat/logpersist
+++ b/logcat/logpersist
@@ -73,10 +73,7 @@
current_size="`getprop ${property}.size`"
if [ "${service}" = "`getprop ${property}`" ]; then
if [ "true" = "${clear}" ]; then
- su root stop ${service}
- su root setprop ${property} ""
- # 20ms done, guarantees content stop before rm
- sleep 1
+ setprop ${property} "clear"
elif [ "${buffer}|${size}" != "${current_buffer}|${current_size}" ]; then
echo "ERROR: Changing existing collection parameters from" >&2
if [ "${buffer}" != "${current_buffer}" ]; then
@@ -98,18 +95,20 @@
echo " To blindly override and retain data, ${progname%.*}.stop first." >&2
exit 1
fi
- fi
- if [ "true" = "${clear}" ]; then
- su logd,misc rm -rf "${data}"
+ elif [ "true" = "${clear}" ]; then
+ setprop ${property} "clear"
fi
if [ -n "${buffer}${current_buffer}" ]; then
- su root setprop ${property}.buffer "${buffer}"
+ setprop ${property}.buffer "${buffer}"
fi
if [ -n "${size}${current_size}" ]; then
- su root setprop ${property}.size "${size}"
+ setprop ${property}.size "${size}"
fi
+ while [ "clear" = "`getprop ${property}`" ]; do
+ continue
+ done
# ${service}.rc does the heavy lifting with the following trigger
- su root setprop ${property} ${service}
+ setprop ${property} ${service}
getprop ${property}
# 20ms done, to permit process feedback check
sleep 1
@@ -120,19 +119,20 @@
if [ -n "${size}${buffer}" ]; then
echo "WARNING: Can not use --size or --buffer with ${progname%.*}.stop" >&2
fi
- su root stop ${service}
- su root setprop ${property} ""
+ if [ "true" = "${clear}" ]; then
+ setprop ${property} "clear"
+ else
+ setprop ${property} "stop"
+ fi
if [ -n "`getprop ${property}.buffer`" ]; then
- su root setprop ${property}.buffer ""
+ setprop ${property}.buffer ""
fi
if [ -n "`getprop ${property}.size`" ]; then
- su root setprop ${property}.size ""
+ setprop ${property}.size ""
fi
- if [ "true" = "${clear}" ]; then
- # 20ms done, guarantees content stop before rm
- sleep 1
- su logd,misc rm -rf "${data}"
- fi
+ while [ "clear" = "`getprop ${property}`" ]; do
+ continue
+ done
;;
*)
echo "ERROR: Unexpected command ${0##*/} ${args}" >&2
diff --git a/logcat/tests/logcat_test.cpp b/logcat/tests/logcat_test.cpp
index d46e9ff..0043d1b 100644
--- a/logcat/tests/logcat_test.cpp
+++ b/logcat/tests/logcat_test.cpp
@@ -772,6 +772,82 @@
EXPECT_FALSE(system(command));
}
+TEST(logcat, logrotate_clear) {
+ static const char tmp_out_dir_form[] = "/data/local/tmp/logcat.logrotate.XXXXXX";
+ char tmp_out_dir[sizeof(tmp_out_dir_form)];
+ ASSERT_TRUE(NULL != mkdtemp(strcpy(tmp_out_dir, tmp_out_dir_form)));
+
+ static const char log_filename[] = "log.txt";
+ static const unsigned num_val = 32;
+ static const char logcat_cmd[] = "logcat -b all -d -f %s/%s -n %d -r 1";
+ static const char clear_cmd[] = " -c";
+ static const char cleanup_cmd[] = "rm -rf %s";
+ char command[sizeof(tmp_out_dir) + sizeof(logcat_cmd) + sizeof(log_filename) + sizeof(clear_cmd) + 32];
+
+ // Run command with all data
+ {
+ snprintf(command, sizeof(command) - sizeof(clear_cmd),
+ logcat_cmd, tmp_out_dir, log_filename, num_val);
+
+ int ret;
+ EXPECT_FALSE((ret = system(command)));
+ if (ret) {
+ snprintf(command, sizeof(command), cleanup_cmd, tmp_out_dir);
+ EXPECT_FALSE(system(command));
+ return;
+ }
+ std::unique_ptr<DIR, decltype(&closedir)> dir(opendir(tmp_out_dir), closedir);
+ EXPECT_NE(nullptr, dir);
+ if (!dir) {
+ snprintf(command, sizeof(command), cleanup_cmd, tmp_out_dir);
+ EXPECT_FALSE(system(command));
+ return;
+ }
+ struct dirent *entry;
+ unsigned count = 0;
+ while ((entry = readdir(dir.get()))) {
+ if (strncmp(entry->d_name, log_filename, sizeof(log_filename) - 1)) {
+ continue;
+ }
+ ++count;
+ }
+ EXPECT_EQ(count, num_val + 1);
+ }
+
+ {
+ // Now with -c option tacked onto the end
+ strcat(command, clear_cmd);
+
+ int ret;
+ EXPECT_FALSE((ret = system(command)));
+ if (ret) {
+ snprintf(command, sizeof(command), cleanup_cmd, tmp_out_dir);
+ EXPECT_FALSE(system(command));
+ return;
+ }
+ std::unique_ptr<DIR, decltype(&closedir)> dir(opendir(tmp_out_dir), closedir);
+ EXPECT_NE(nullptr, dir);
+ if (!dir) {
+ snprintf(command, sizeof(command), cleanup_cmd, tmp_out_dir);
+ EXPECT_FALSE(system(command));
+ return;
+ }
+ struct dirent *entry;
+ unsigned count = 0;
+ while ((entry = readdir(dir.get()))) {
+ if (strncmp(entry->d_name, log_filename, sizeof(log_filename) - 1)) {
+ continue;
+ }
+ fprintf(stderr, "Found %s/%s!!!\n", tmp_out_dir, entry->d_name);
+ ++count;
+ }
+ EXPECT_EQ(count, 0U);
+ }
+
+ snprintf(command, sizeof(command), cleanup_cmd, tmp_out_dir);
+ EXPECT_FALSE(system(command));
+}
+
TEST(logcat, logrotate_nodir) {
// expect logcat to error out on writing content and exit(1) for nodir
EXPECT_EQ(W_EXITCODE(1, 0),
diff --git a/toolbox/Android.mk b/toolbox/Android.mk
index feeffda..413d61f 100644
--- a/toolbox/Android.mk
+++ b/toolbox/Android.mk
@@ -38,7 +38,6 @@
sendevent \
start \
stop \
- top \
ALL_TOOLS = $(BSD_TOOLS) $(OUR_TOOLS)
diff --git a/toolbox/top.c b/toolbox/top.c
deleted file mode 100644
index 003f4c9..0000000
--- a/toolbox/top.c
+++ /dev/null
@@ -1,589 +0,0 @@
-/*
- * 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 <ctype.h>
-#include <dirent.h>
-#include <grp.h>
-#include <inttypes.h>
-#include <pwd.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <sys/types.h>
-#include <unistd.h>
-
-#include <cutils/sched_policy.h>
-
-struct cpu_info {
- long unsigned utime, ntime, stime, itime;
- long unsigned iowtime, irqtime, sirqtime;
-};
-
-#define PROC_NAME_LEN 64
-#define THREAD_NAME_LEN 32
-#define POLICY_NAME_LEN 4
-
-struct proc_info {
- struct proc_info *next;
- pid_t pid;
- pid_t tid;
- uid_t uid;
- gid_t gid;
- char name[PROC_NAME_LEN];
- char tname[THREAD_NAME_LEN];
- char state;
- uint64_t utime;
- uint64_t stime;
- char pr[3];
- long ni;
- uint64_t delta_utime;
- uint64_t delta_stime;
- uint64_t delta_time;
- uint64_t vss;
- uint64_t rss;
- int num_threads;
- char policy[POLICY_NAME_LEN];
-};
-
-struct proc_list {
- struct proc_info **array;
- int size;
-};
-
-#define die(...) { fprintf(stderr, __VA_ARGS__); exit(EXIT_FAILURE); }
-
-#define INIT_PROCS 50
-#define THREAD_MULT 8
-static struct proc_info **old_procs, **new_procs;
-static int num_old_procs, num_new_procs;
-static struct proc_info *free_procs;
-static int num_used_procs, num_free_procs;
-
-static int max_procs, delay, iterations, threads;
-
-static struct cpu_info old_cpu, new_cpu;
-
-static struct proc_info *alloc_proc(void);
-static void free_proc(struct proc_info *proc);
-static void read_procs(void);
-static int read_stat(char *filename, struct proc_info *proc);
-static void read_policy(int pid, struct proc_info *proc);
-static void add_proc(int proc_num, struct proc_info *proc);
-static int read_cmdline(char *filename, struct proc_info *proc);
-static int read_status(char *filename, struct proc_info *proc);
-static void print_procs(void);
-static struct proc_info *find_old_proc(pid_t pid, pid_t tid);
-static void free_old_procs(void);
-static int (*proc_cmp)(const void *a, const void *b);
-static int proc_cpu_cmp(const void *a, const void *b);
-static int proc_vss_cmp(const void *a, const void *b);
-static int proc_rss_cmp(const void *a, const void *b);
-static int proc_thr_cmp(const void *a, const void *b);
-static int numcmp(long long a, long long b);
-static void usage(char *cmd);
-
-int top_main(int argc, char *argv[]) {
- num_used_procs = num_free_procs = 0;
-
- max_procs = 0;
- delay = 3;
- iterations = -1;
- proc_cmp = &proc_cpu_cmp;
- for (int i = 1; i < argc; i++) {
- if (!strcmp(argv[i], "-m")) {
- if (i + 1 >= argc) {
- fprintf(stderr, "Option -m expects an argument.\n");
- usage(argv[0]);
- exit(EXIT_FAILURE);
- }
- max_procs = atoi(argv[++i]);
- continue;
- }
- if (!strcmp(argv[i], "-n")) {
- if (i + 1 >= argc) {
- fprintf(stderr, "Option -n expects an argument.\n");
- usage(argv[0]);
- exit(EXIT_FAILURE);
- }
- iterations = atoi(argv[++i]);
- continue;
- }
- if (!strcmp(argv[i], "-d")) {
- if (i + 1 >= argc) {
- fprintf(stderr, "Option -d expects an argument.\n");
- usage(argv[0]);
- exit(EXIT_FAILURE);
- }
- delay = atoi(argv[++i]);
- continue;
- }
- if (!strcmp(argv[i], "-s")) {
- if (i + 1 >= argc) {
- fprintf(stderr, "Option -s expects an argument.\n");
- usage(argv[0]);
- exit(EXIT_FAILURE);
- }
- ++i;
- if (!strcmp(argv[i], "cpu")) { proc_cmp = &proc_cpu_cmp; continue; }
- if (!strcmp(argv[i], "vss")) { proc_cmp = &proc_vss_cmp; continue; }
- if (!strcmp(argv[i], "rss")) { proc_cmp = &proc_rss_cmp; continue; }
- if (!strcmp(argv[i], "thr")) { proc_cmp = &proc_thr_cmp; continue; }
- fprintf(stderr, "Invalid argument \"%s\" for option -s.\n", argv[i]);
- exit(EXIT_FAILURE);
- }
- if (!strcmp(argv[i], "-H") || !strcmp(argv[i], "-t")) { threads = 1; continue; }
- if (!strcmp(argv[i], "-h")) {
- usage(argv[0]);
- exit(EXIT_SUCCESS);
- }
- fprintf(stderr, "Invalid argument \"%s\".\n", argv[i]);
- usage(argv[0]);
- exit(EXIT_FAILURE);
- }
-
- if (threads && proc_cmp == &proc_thr_cmp) {
- fprintf(stderr, "Sorting by threads per thread makes no sense!\n");
- exit(EXIT_FAILURE);
- }
-
- free_procs = NULL;
-
- num_new_procs = num_old_procs = 0;
- new_procs = old_procs = NULL;
-
- read_procs();
- while ((iterations == -1) || (iterations-- > 0)) {
- old_procs = new_procs;
- num_old_procs = num_new_procs;
- memcpy(&old_cpu, &new_cpu, sizeof(old_cpu));
- read_procs();
- print_procs();
- free_old_procs();
- fflush(stdout);
- if (iterations != 0) sleep(delay);
- }
-
- return 0;
-}
-
-static struct proc_info *alloc_proc(void) {
- struct proc_info *proc;
-
- if (free_procs) {
- proc = free_procs;
- free_procs = free_procs->next;
- num_free_procs--;
- } else {
- proc = malloc(sizeof(*proc));
- if (!proc) die("Could not allocate struct process_info.\n");
- }
-
- num_used_procs++;
-
- return proc;
-}
-
-static void free_proc(struct proc_info *proc) {
- proc->next = free_procs;
- free_procs = proc;
-
- num_used_procs--;
- num_free_procs++;
-}
-
-#define MAX_LINE 256
-
-static void read_procs(void) {
- DIR *proc_dir, *task_dir;
- struct dirent *pid_dir, *tid_dir;
- char filename[64];
- FILE *file;
- int proc_num;
- struct proc_info *proc;
- pid_t pid, tid;
-
- int i;
-
- proc_dir = opendir("/proc");
- if (!proc_dir) die("Could not open /proc.\n");
-
- new_procs = calloc(INIT_PROCS * (threads ? THREAD_MULT : 1), sizeof(struct proc_info *));
- num_new_procs = INIT_PROCS * (threads ? THREAD_MULT : 1);
-
- file = fopen("/proc/stat", "r");
- if (!file) die("Could not open /proc/stat.\n");
- fscanf(file, "cpu %lu %lu %lu %lu %lu %lu %lu", &new_cpu.utime, &new_cpu.ntime, &new_cpu.stime,
- &new_cpu.itime, &new_cpu.iowtime, &new_cpu.irqtime, &new_cpu.sirqtime);
- fclose(file);
-
- proc_num = 0;
- while ((pid_dir = readdir(proc_dir))) {
- if (!isdigit(pid_dir->d_name[0]))
- continue;
-
- pid = atoi(pid_dir->d_name);
-
- struct proc_info cur_proc;
-
- if (!threads) {
- proc = alloc_proc();
-
- proc->pid = proc->tid = pid;
-
- snprintf(filename, sizeof(filename), "/proc/%d/stat", pid);
- read_stat(filename, proc);
-
- snprintf(filename, sizeof(filename), "/proc/%d/cmdline", pid);
- read_cmdline(filename, proc);
-
- snprintf(filename, sizeof(filename), "/proc/%d/status", pid);
- read_status(filename, proc);
-
- read_policy(pid, proc);
-
- proc->num_threads = 0;
- } else {
- snprintf(filename, sizeof(filename), "/proc/%d/cmdline", pid);
- read_cmdline(filename, &cur_proc);
-
- snprintf(filename, sizeof(filename), "/proc/%d/status", pid);
- read_status(filename, &cur_proc);
-
- proc = NULL;
- }
-
- snprintf(filename, sizeof(filename), "/proc/%d/task", pid);
- task_dir = opendir(filename);
- if (!task_dir) continue;
-
- while ((tid_dir = readdir(task_dir))) {
- if (!isdigit(tid_dir->d_name[0]))
- continue;
-
- if (threads) {
- tid = atoi(tid_dir->d_name);
-
- proc = alloc_proc();
-
- proc->pid = pid; proc->tid = tid;
-
- snprintf(filename, sizeof(filename), "/proc/%d/task/%d/stat", pid, tid);
- read_stat(filename, proc);
-
- read_policy(tid, proc);
-
- strcpy(proc->name, cur_proc.name);
- proc->uid = cur_proc.uid;
- proc->gid = cur_proc.gid;
-
- add_proc(proc_num++, proc);
- } else {
- proc->num_threads++;
- }
- }
-
- closedir(task_dir);
-
- if (!threads)
- add_proc(proc_num++, proc);
- }
-
- for (i = proc_num; i < num_new_procs; i++)
- new_procs[i] = NULL;
-
- closedir(proc_dir);
-}
-
-static int read_stat(char *filename, struct proc_info *proc) {
- FILE *file;
- char buf[MAX_LINE], *open_paren, *close_paren;
-
- file = fopen(filename, "r");
- if (!file) return 1;
- fgets(buf, MAX_LINE, file);
- fclose(file);
-
- /* Split at first '(' and last ')' to get process name. */
- open_paren = strchr(buf, '(');
- close_paren = strrchr(buf, ')');
- if (!open_paren || !close_paren) return 1;
-
- *open_paren = *close_paren = '\0';
- strncpy(proc->tname, open_paren + 1, THREAD_NAME_LEN);
- proc->tname[THREAD_NAME_LEN-1] = 0;
-
- // Scan rest of string.
- long pr;
- sscanf(close_paren + 1,
- " %c "
- "%*d %*d %*d %*d %*d %*d %*d %*d %*d %*d "
- "%" SCNu64 // utime %lu (14)
- "%" SCNu64 // stime %lu (15)
- "%*d %*d "
- "%ld " // priority %ld (18)
- "%ld " // nice %ld (19)
- "%*d %*d %*d "
- "%" SCNu64 // vsize %lu (23)
- "%" SCNu64, // rss %ld (24)
- &proc->state,
- &proc->utime,
- &proc->stime,
- &pr,
- &proc->ni,
- &proc->vss,
- &proc->rss);
-
- // Translate the PR field.
- if (pr < -9) strcpy(proc->pr, "RT");
- else snprintf(proc->pr, sizeof(proc->pr), "%ld", pr);
-
- return 0;
-}
-
-static void add_proc(int proc_num, struct proc_info *proc) {
- int i;
-
- if (proc_num >= num_new_procs) {
- new_procs = realloc(new_procs, 2 * num_new_procs * sizeof(struct proc_info *));
- if (!new_procs) die("Could not expand procs array.\n");
- for (i = num_new_procs; i < 2 * num_new_procs; i++)
- new_procs[i] = NULL;
- num_new_procs = 2 * num_new_procs;
- }
- new_procs[proc_num] = proc;
-}
-
-static int read_cmdline(char *filename, struct proc_info *proc) {
- FILE *file;
- char line[MAX_LINE];
-
- line[0] = '\0';
- file = fopen(filename, "r");
- if (!file) return 1;
- fgets(line, MAX_LINE, file);
- fclose(file);
- if (strlen(line) > 0) {
- strncpy(proc->name, line, PROC_NAME_LEN);
- proc->name[PROC_NAME_LEN-1] = 0;
- } else
- proc->name[0] = 0;
- return 0;
-}
-
-static void read_policy(int pid, struct proc_info *proc) {
- SchedPolicy p;
- if (get_sched_policy(pid, &p) < 0)
- strlcpy(proc->policy, "unk", POLICY_NAME_LEN);
- else {
- strlcpy(proc->policy, get_sched_policy_name(p), POLICY_NAME_LEN);
- proc->policy[2] = '\0';
- }
-}
-
-static int read_status(char *filename, struct proc_info *proc) {
- FILE *file;
- char line[MAX_LINE];
- unsigned int uid, gid;
-
- file = fopen(filename, "r");
- if (!file) return 1;
- while (fgets(line, MAX_LINE, file)) {
- sscanf(line, "Uid: %u", &uid);
- sscanf(line, "Gid: %u", &gid);
- }
- fclose(file);
- proc->uid = uid; proc->gid = gid;
- return 0;
-}
-
-static void print_procs(void) {
- static int call = 0;
- int i;
- struct proc_info *old_proc, *proc;
- long unsigned total_delta_time;
-
- for (i = 0; i < num_new_procs; i++) {
- if (new_procs[i]) {
- old_proc = find_old_proc(new_procs[i]->pid, new_procs[i]->tid);
- if (old_proc) {
- new_procs[i]->delta_utime = new_procs[i]->utime - old_proc->utime;
- new_procs[i]->delta_stime = new_procs[i]->stime - old_proc->stime;
- } else {
- new_procs[i]->delta_utime = 0;
- new_procs[i]->delta_stime = 0;
- }
- new_procs[i]->delta_time = new_procs[i]->delta_utime + new_procs[i]->delta_stime;
- }
- }
-
- total_delta_time = (new_cpu.utime + new_cpu.ntime + new_cpu.stime + new_cpu.itime
- + new_cpu.iowtime + new_cpu.irqtime + new_cpu.sirqtime)
- - (old_cpu.utime + old_cpu.ntime + old_cpu.stime + old_cpu.itime
- + old_cpu.iowtime + old_cpu.irqtime + old_cpu.sirqtime);
-
- qsort(new_procs, num_new_procs, sizeof(struct proc_info *), proc_cmp);
-
- if (call++ > 0) printf("\n\n\n");
- printf("User %ld%%, System %ld%%, IOW %ld%%, IRQ %ld%%\n",
- ((new_cpu.utime + new_cpu.ntime) - (old_cpu.utime + old_cpu.ntime)) * 100 / total_delta_time,
- ((new_cpu.stime ) - (old_cpu.stime)) * 100 / total_delta_time,
- ((new_cpu.iowtime) - (old_cpu.iowtime)) * 100 / total_delta_time,
- ((new_cpu.irqtime + new_cpu.sirqtime)
- - (old_cpu.irqtime + old_cpu.sirqtime)) * 100 / total_delta_time);
- printf("User %ld + Nice %ld + Sys %ld + Idle %ld + IOW %ld + IRQ %ld + SIRQ %ld = %ld\n",
- new_cpu.utime - old_cpu.utime,
- new_cpu.ntime - old_cpu.ntime,
- new_cpu.stime - old_cpu.stime,
- new_cpu.itime - old_cpu.itime,
- new_cpu.iowtime - old_cpu.iowtime,
- new_cpu.irqtime - old_cpu.irqtime,
- new_cpu.sirqtime - old_cpu.sirqtime,
- total_delta_time);
- printf("\n");
- if (!threads)
- printf("%5s %-8s %2s %3s %4s %1s %5s %7s %7s %3s %s\n", "PID", "USER", "PR", "NI", "CPU%", "S", "#THR", "VSS", "RSS", "PCY", "Name");
- else
- printf("%5s %5s %-8s %2s %3s %4s %1s %7s %7s %3s %-15s %s\n", "PID", "TID", "USER", "PR", "NI", "CPU%", "S", "VSS", "RSS", "PCY", "Thread", "Proc");
-
- for (i = 0; i < num_new_procs; i++) {
- proc = new_procs[i];
-
- if (!proc || (max_procs && (i >= max_procs)))
- break;
- struct passwd* user = getpwuid(proc->uid);
- char user_buf[20];
- char* user_str;
- if (user && user->pw_name) {
- user_str = user->pw_name;
- } else {
- snprintf(user_buf, sizeof(user_buf), "%d", proc->uid);
- user_str = user_buf;
- }
- if (!threads) {
- printf("%5d %-8.8s %2s %3ld %3" PRIu64 "%% %c %5d %6" PRIu64 "K %6" PRIu64 "K %3s %s\n",
- proc->pid, user_str, proc->pr, proc->ni,
- proc->delta_time * 100 / total_delta_time, proc->state, proc->num_threads,
- proc->vss / 1024, proc->rss * getpagesize() / 1024, proc->policy,
- proc->name[0] != 0 ? proc->name : proc->tname);
- } else {
- printf("%5d %5d %-8.8s %2s %3ld %3" PRIu64 "%% %c %6" PRIu64 "K %6" PRIu64 "K %3s %-15s %s\n",
- proc->pid, proc->tid, user_str, proc->pr, proc->ni,
- proc->delta_time * 100 / total_delta_time, proc->state,
- proc->vss / 1024, proc->rss * getpagesize() / 1024, proc->policy,
- proc->tname, proc->name);
- }
- }
-}
-
-static struct proc_info *find_old_proc(pid_t pid, pid_t tid) {
- int i;
-
- for (i = 0; i < num_old_procs; i++)
- if (old_procs[i] && (old_procs[i]->pid == pid) && (old_procs[i]->tid == tid))
- return old_procs[i];
-
- return NULL;
-}
-
-static void free_old_procs(void) {
- int i;
-
- for (i = 0; i < num_old_procs; i++)
- if (old_procs[i])
- free_proc(old_procs[i]);
-
- free(old_procs);
-}
-
-static int proc_cpu_cmp(const void *a, const void *b) {
- struct proc_info *pa, *pb;
-
- pa = *((struct proc_info **)a); pb = *((struct proc_info **)b);
-
- if (!pa && !pb) return 0;
- if (!pa) return 1;
- if (!pb) return -1;
-
- return -numcmp(pa->delta_time, pb->delta_time);
-}
-
-static int proc_vss_cmp(const void *a, const void *b) {
- struct proc_info *pa, *pb;
-
- pa = *((struct proc_info **)a); pb = *((struct proc_info **)b);
-
- if (!pa && !pb) return 0;
- if (!pa) return 1;
- if (!pb) return -1;
-
- return -numcmp(pa->vss, pb->vss);
-}
-
-static int proc_rss_cmp(const void *a, const void *b) {
- struct proc_info *pa, *pb;
-
- pa = *((struct proc_info **)a); pb = *((struct proc_info **)b);
-
- if (!pa && !pb) return 0;
- if (!pa) return 1;
- if (!pb) return -1;
-
- return -numcmp(pa->rss, pb->rss);
-}
-
-static int proc_thr_cmp(const void *a, const void *b) {
- struct proc_info *pa, *pb;
-
- pa = *((struct proc_info **)a); pb = *((struct proc_info **)b);
-
- if (!pa && !pb) return 0;
- if (!pa) return 1;
- if (!pb) return -1;
-
- return -numcmp(pa->num_threads, pb->num_threads);
-}
-
-static int numcmp(long long a, long long b) {
- if (a < b) return -1;
- if (a > b) return 1;
- return 0;
-}
-
-static void usage(char *cmd) {
- fprintf(stderr, "Usage: %s [ -m max_procs ] [ -n iterations ] [ -d delay ] [ -s sort_column ] [ -t ] [ -h ]\n"
- " -m num Maximum number of processes to display.\n"
- " -n num Updates to show before exiting.\n"
- " -d num Seconds to wait between updates.\n"
- " -s col Column to sort by (cpu,vss,rss,thr).\n"
- " -H Show threads instead of processes.\n"
- " -h Display this help screen.\n",
- cmd);
-}