145 lines
3.6 KiB
C
145 lines
3.6 KiB
C
/*
|
|
* Copyright (C) 2013 The Android Open Source Project
|
|
*
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
|
* you may not use this file except in compliance with the License.
|
|
* You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
* See the License for the specific language governing permissions and
|
|
* limitations under the License.
|
|
*/
|
|
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <sys/types.h>
|
|
|
|
#include <memtrack/memtrack.h>
|
|
|
|
#include <pagemap/pagemap.h>
|
|
|
|
#define DIV_ROUND_UP(x,y) (((x) + (y) - 1) / (y))
|
|
|
|
static int getprocname(pid_t pid, char *buf, int len) {
|
|
char *filename;
|
|
FILE *f;
|
|
int rc = 0;
|
|
static const char* unknown_cmdline = "<unknown>";
|
|
|
|
if (len <= 0) {
|
|
return -1;
|
|
}
|
|
|
|
if (asprintf(&filename, "/proc/%zd/cmdline", pid) < 0) {
|
|
rc = 1;
|
|
goto exit;
|
|
}
|
|
|
|
f = fopen(filename, "r");
|
|
if (f == NULL) {
|
|
rc = 2;
|
|
goto releasefilename;
|
|
}
|
|
|
|
if (fgets(buf, len, f) == NULL) {
|
|
rc = 3;
|
|
goto closefile;
|
|
}
|
|
|
|
closefile:
|
|
(void) fclose(f);
|
|
releasefilename:
|
|
free(filename);
|
|
exit:
|
|
if (rc != 0) {
|
|
/*
|
|
* The process went away before we could read its process name. Try
|
|
* to give the user "<unknown>" here, but otherwise they get to look
|
|
* at a blank.
|
|
*/
|
|
if (strlcpy(buf, unknown_cmdline, (size_t)len) >= (size_t)len) {
|
|
rc = 4;
|
|
}
|
|
}
|
|
|
|
return rc;
|
|
}
|
|
|
|
int main(int argc, char *argv[])
|
|
{
|
|
int ret;
|
|
pm_kernel_t *ker;
|
|
size_t num_procs;
|
|
pid_t *pids;
|
|
struct memtrack_proc *p;
|
|
size_t i;
|
|
|
|
(void)argc;
|
|
(void)argv;
|
|
|
|
ret = memtrack_init();
|
|
if (ret < 0) {
|
|
fprintf(stderr, "failed to initialize HAL: %s (%d)\n", strerror(-ret), ret);
|
|
exit(EXIT_FAILURE);
|
|
}
|
|
|
|
ret = pm_kernel_create(&ker);
|
|
if (ret) {
|
|
fprintf(stderr, "Error creating kernel interface -- "
|
|
"does this kernel have pagemap?\n");
|
|
exit(EXIT_FAILURE);
|
|
}
|
|
|
|
ret = pm_kernel_pids(ker, &pids, &num_procs);
|
|
if (ret) {
|
|
fprintf(stderr, "Error listing processes.\n");
|
|
exit(EXIT_FAILURE);
|
|
}
|
|
|
|
p = memtrack_proc_new();
|
|
if (ret) {
|
|
fprintf(stderr, "failed to create memtrack process handle\n");
|
|
exit(EXIT_FAILURE);
|
|
}
|
|
|
|
for (i = 0; i < num_procs; i++) {
|
|
pid_t pid = pids[i];
|
|
char cmdline[256];
|
|
size_t v1;
|
|
size_t v2;
|
|
size_t v3;
|
|
size_t v4;
|
|
size_t v5;
|
|
size_t v6;
|
|
|
|
getprocname(pid, cmdline, (int)sizeof(cmdline));
|
|
|
|
ret = memtrack_proc_get(p, pid);
|
|
if (ret) {
|
|
fprintf(stderr, "failed to get memory info for pid %d: %s (%d)\n",
|
|
pid, strerror(-ret), ret);
|
|
continue;
|
|
}
|
|
|
|
v1 = DIV_ROUND_UP(memtrack_proc_graphics_total(p), 1024);
|
|
v2 = DIV_ROUND_UP(memtrack_proc_graphics_pss(p), 1024);
|
|
v3 = DIV_ROUND_UP(memtrack_proc_gl_total(p), 1024);
|
|
v4 = DIV_ROUND_UP(memtrack_proc_gl_pss(p), 1024);
|
|
v5 = DIV_ROUND_UP(memtrack_proc_other_total(p), 1024);
|
|
v6 = DIV_ROUND_UP(memtrack_proc_other_pss(p), 1024);
|
|
|
|
if (v1 | v2 | v3 | v4 | v5 | v6) {
|
|
printf("%5d %6zu %6zu %6zu %6zu %6zu %6zu %s\n", pid,
|
|
v1, v2, v3, v4, v5, v6, cmdline);
|
|
}
|
|
}
|
|
|
|
memtrack_proc_destroy(p);
|
|
|
|
return 0;
|
|
}
|