void getPss(pid_t pid, size_t* pss_out) {
pm_kernel_t* kernel;
ASSERT_EQ(0, pm_kernel_create(&kernel));
pm_process_t* process;
ASSERT_EQ(0, pm_process_create(kernel, pid, &process));
pm_map_t** maps;
size_t num_maps;
ASSERT_EQ(0, pm_process_maps(process, &maps, &num_maps));
size_t total_pss = 0;
for (size_t i = 0; i < num_maps; i++) {
pm_memusage_t usage;
ASSERT_EQ(0, pm_map_usage(maps[i], &usage));
total_pss += usage.pss;
}
*pss_out = total_pss;
free(maps);
pm_process_destroy(process);
pm_kernel_destroy(kernel);
}
int main(int argc, char *argv[]) {
pm_kernel_t *ker;
pm_process_t *proc;
pid_t *pids;
size_t num_procs;
size_t i;
pm_map_t **maps;
size_t num_maps;
char cmdline[256]; // this must be within the range of int
int error;
int rc = EXIT_SUCCESS;
uint8_t pr_flags = 0;
struct ksm_pages kp;
memset(&kp, 0, sizeof(kp));
opterr = 0;
do {
int c = getopt(argc, argv, "hvsa");
if (c == -1)
break;
switch (c) {
case 'a':
pr_flags |= PR_ALL;
break;
case 's':
pr_flags |= PR_SORTED;
break;
case 'v':
pr_flags |= PR_VERBOSE;
break;
case 'h':
usage(argv[0]);
exit(EXIT_SUCCESS);
case '?':
fprintf(stderr, "unknown option: %c\n", optopt);
usage(argv[0]);
exit(EXIT_FAILURE);
}
} while (1);
error = pm_kernel_create(&ker);
if (error) {
fprintf(stderr, "Error creating kernel interface -- "
"does this kernel have pagemap?\n");
exit(EXIT_FAILURE);
}
if (pr_flags & PR_ALL) {
error = pm_kernel_pids(ker, &pids, &num_procs);
if (error) {
fprintf(stderr, "Error listing processes.\n");
exit(EXIT_FAILURE);
}
} else {
if (optind != argc - 1) {
usage(argv[0]);
exit(EXIT_FAILURE);
}
pids = malloc(sizeof(*pids));
if (pids == NULL) {
fprintf(stderr, "Error allocating pid memory\n");
exit(EXIT_FAILURE);
}
*pids = strtoul(argv[optind], NULL, 10);
if (*pids == 0) {
fprintf(stderr, "Invalid PID\n");
rc = EXIT_FAILURE;
goto exit;
}
num_procs = 1;
if (getprocname(*pids, cmdline, sizeof(cmdline)) < 0) {
cmdline[0] = '\0';
}
printf("%s (%u):\n", cmdline, *pids);
}
printf("Warning: this tool only compares the KSM CRCs of pages, there is a chance of "
"collisions\n");
for (i = 0; i < num_procs; i++) {
error = pm_process_create(ker, pids[i], &proc);
if (error) {
fprintf(stderr, "warning: could not create process interface for %d\n", pids[i]);
rc = EXIT_FAILURE;
goto exit;
}
error = pm_process_maps(proc, &maps, &num_maps);
if (error) {
pm_process_destroy(proc);
fprintf(stderr, "warning: could not read process map for %d\n", pids[i]);
rc = EXIT_FAILURE;
goto exit;
}
if (read_pages(&kp, maps, num_maps, pr_flags) < 0) {
free(maps);
pm_process_destroy(proc);
rc = EXIT_FAILURE;
goto exit;
}
free(maps);
pm_process_destroy(proc);
}
if (pr_flags & PR_SORTED) {
qsort(kp.pages, kp.len, sizeof(*kp.pages), cmp_pages);
}
print_pages(&kp, pr_flags);
exit:
free_pages(&kp, pr_flags);
free(pids);
return rc;
}
int main(int argc, char *argv[]) {
char cmdline[256];
char *prefix;
size_t prefix_len;
int (*compfn)(const void *a, const void *b);
pm_kernel_t *ker;
pm_process_t *proc;
pid_t *pids;
size_t num_procs;
pm_map_t **maps;
size_t num_maps;
pm_memusage_t map_usage;
struct library_info *li, **lis;
struct mapping_info *mi, **mis;
struct process_info *pi;
size_t i, j;
int error;
int perm;
bool all;
uint64_t required_flags;
uint64_t flags_mask;
bool has_swap = false;
signal(SIGPIPE, SIG_IGN);
compfn = &sort_by_pss;
order = -1;
prefix = NULL;
prefix_len = 0;
opterr = 0;
perm = 0;
all = false;
required_flags = 0;
flags_mask = 0;
while (1) {
int c;
const struct option longopts[] = {
{"all", 0, 0, 'a'},
{"cached", 0, 0, 'c'},
{"nocached", 0, 0, 'C'},
{"ksm", 0, 0, 'k'},
{"help", 0, 0, 'h'},
{"pss", 0, 0, 'p'},
{"uss", 0, 0, 'u'},
{"vss", 0, 0, 'v'},
{"rss", 0, 0, 'r'},
{"swap", 0, 0, 's'},
{"reverse", 0, 0, 'R'},
{"path", required_argument, 0, 'P'},
{"perm", required_argument, 0, 'm'},
{0, 0, 0, 0}
};
c = getopt_long(argc, argv, "acChkm:pP:uvrsR", longopts, NULL);
if (c < 0) {
break;
}
/* Alphabetical cases */
switch (c) {
case 'a':
all = true;
break;
case 'c':
required_flags = 0;
flags_mask = PM_PAGE_SWAPBACKED;
break;
case 'C':
required_flags = PM_PAGE_SWAPBACKED;
flags_mask = PM_PAGE_SWAPBACKED;
break;
case 'k':
required_flags = PM_PAGE_KSM;
flags_mask = PM_PAGE_KSM;
break;
case 'h':
usage(argv[0]);
exit(EXIT_SUCCESS);
case 'm':
perm = parse_perm(optarg);
break;
case 'p':
compfn = &sort_by_pss;
break;
case 'P':
prefix = optarg;
prefix_len = strlen(prefix);
break;
case 'u':
compfn = &sort_by_uss;
break;
case 'v':
compfn = &sort_by_vss;
break;
case 'r':
compfn = &sort_by_rss;
break;
case 's':
compfn = &sort_by_swap;
break;
case 'R':
order *= -1;
break;
case '?':
fprintf(stderr, "Invalid argument \"%s\".\n", argv[optind - 1]);
usage(argv[0]);
exit(EXIT_FAILURE);
default:
abort();
}
}
argc -= optind;
argv += optind;
libraries = malloc(INIT_LIBRARIES * sizeof(struct library_info *));
libraries_count = 0; libraries_size = INIT_LIBRARIES;
error = pm_kernel_create(&ker);
if (error) {
fprintf(stderr, "Error initializing kernel interface -- "
"does this kernel have pagemap?\n");
exit(EXIT_FAILURE);
}
error = pm_kernel_pids(ker, &pids, &num_procs);
if (error) {
fprintf(stderr, "Error listing processes.\n");
exit(EXIT_FAILURE);
}
for (i = 0; i < num_procs; i++) {
error = pm_process_create(ker, pids[i], &proc);
if (error) {
fprintf(stderr, "warning: could not create process interface for %d\n", pids[i]);
continue;
}
pi = get_process(pids[i]);
error = pm_process_maps(proc, &maps, &num_maps);
if (error) {
fprintf(stderr, "Error listing maps for process %d.\n", proc->pid);
exit(EXIT_FAILURE);
}
for (j = 0; j < num_maps; j++) {
if (prefix && (strncmp(pm_map_name(maps[j]), prefix, prefix_len)))
continue;
if (perm && (pm_map_flags(maps[j]) & PM_MAP_PERMISSIONS) != perm)
continue;
li = get_library(pm_map_name(maps[j]), all);
if (!li)
continue;
mi = get_mapping(li, pi);
error = pm_map_usage_flags(maps[j], &map_usage, flags_mask,
required_flags);
if (error) {
fprintf(stderr, "Error getting map memory usage of "
"map %s in process %d.\n",
pm_map_name(maps[j]), proc->pid);
exit(EXIT_FAILURE);
}
if (map_usage.swap) {
has_swap = true;
}
pm_memusage_add(&mi->usage, &map_usage);
pm_memusage_add(&li->total_usage, &map_usage);
}
}
printf(" %6s %6s %6s %6s %6s ", "RSStot", "VSS", "RSS", "PSS", "USS");
if (has_swap) {
printf(" %6s ", "Swap");
}
printf("Name/PID\n");
fflush(stdout);
qsort(libraries, libraries_count, sizeof(libraries[0]), &licmp);
for (i = 0; i < libraries_count; i++) {
li = libraries[i];
printf("%6zdK %6s %6s %6s %6s ", li->total_usage.pss / 1024, "", "", "", "");
if (has_swap) {
printf(" %6s ", "");
}
printf("%s\n", li->name);
fflush(stdout);
qsort(li->mappings, li->mappings_count, sizeof(li->mappings[0]), compfn);
for (j = 0; j < li->mappings_count; j++) {
mi = li->mappings[j];
pi = mi->proc;
printf( " %6s %6zdK %6zdK %6zdK %6zdK ", "",
mi->usage.vss / 1024,
mi->usage.rss / 1024,
mi->usage.pss / 1024,
mi->usage.uss / 1024);
if (has_swap) {
printf("%6zdK ", mi->usage.swap / 1024);
}
printf(" %s [%d]\n",
pi->cmdline,
pi->pid);
}
printf("\n");
fflush(stdout);
}
return 0;
}
int main(int argc, char *argv[]) {
pid_t pid;
/* libpagemap context */
pm_kernel_t *ker;
int pagesize; /* cached for speed */
pm_process_t *proc;
/* maps and such */
pm_map_t **maps; int num_maps;
struct map_info **mis;
struct map_info *mi;
/* pagemap information */
uint64_t *pagemap; int num_pages;
unsigned long address; uint64_t mapentry;
uint64_t count, flags;
/* totals */
unsigned long total_shared_clean, total_shared_dirty, total_private_clean, total_private_dirty;
pm_memusage_t total_usage;
/* command-line options */
int ws;
#define WS_OFF (0)
#define WS_ONLY (1)
#define WS_RESET (2)
int (*compfn)(const void *a, const void *b);
int hide_zeros;
/* temporary variables */
int i, j;
char *endptr;
int error;
if (argc < 2) {
usage(argv[0]);
exit(EXIT_FAILURE);
}
ws = WS_OFF;
compfn = NULL;
hide_zeros = 0;
for (i = 1; i < argc - 1; i++) {
if (!strcmp(argv[i], "-w")) { ws = WS_ONLY; continue; }
if (!strcmp(argv[i], "-W")) { ws = WS_RESET; continue; }
if (!strcmp(argv[i], "-m")) { compfn = NULL; continue; }
if (!strcmp(argv[i], "-p")) { compfn = &comp_pss; continue; }
if (!strcmp(argv[i], "-h")) { hide_zeros = 1; continue; }
fprintf(stderr, "Invalid argument \"%s\".\n", argv[i]);
usage(argv[0]);
exit(EXIT_FAILURE);
}
pid = (pid_t)strtol(argv[argc - 1], &endptr, 10);
if (*endptr != '\0') {
fprintf(stderr, "Invalid PID \"%s\".\n", argv[argc - 1]);
exit(EXIT_FAILURE);
}
error = pm_kernel_create(&ker);
if (error) {
fprintf(stderr, "error creating kernel interface -- "
"does this kernel have pagemap?\n");
exit(EXIT_FAILURE);
}
pagesize = pm_kernel_pagesize(ker);
error = pm_process_create(ker, pid, &proc);
if (error) {
fprintf(stderr, "error creating process interface -- "
"does process %d really exist?\n", pid);
exit(EXIT_FAILURE);
}
if (ws == WS_RESET) {
error = pm_process_workingset(proc, NULL, 1);
if (error) {
fprintf(stderr, "error resetting working set for process.\n");
exit(EXIT_FAILURE);
}
exit(EXIT_SUCCESS);
}
/* get maps, and allocate our map_info array */
error = pm_process_maps(proc, &maps, &num_maps);
if (error) {
fprintf(stderr, "error listing maps.\n");
exit(EXIT_FAILURE);
}
mis = (struct map_info **)calloc(num_maps, sizeof(struct map_info *));
if (!mis) {
fprintf(stderr, "error allocating map_info array: %s\n", strerror(errno));
exit(EXIT_FAILURE);
}
/* print header */
if (ws == WS_ONLY) {
printf("%7s %7s %7s %7s %7s %7s %7s %s\n",
"WRss", "WPss", "WUss", "WShCl", "WShDi", "WPrCl", "WPrDi", "Name");
printf("%7s %7s %7s %7s %7s %7s %7s %s\n",
"-------", "-------", "-------", "-------", "-------", "-------", "-------", "");
} else {
printf("%7s %7s %7s %7s %7s %7s %7s %7s %s\n",
"Vss", "Rss", "Pss", "Uss", "ShCl", "ShDi", "PrCl", "PrDi", "Name");
printf("%7s %7s %7s %7s %7s %7s %7s %7s %s\n",
"-------", "-------", "-------", "-------", "-------", "-------", "-------", "-------", "");
}
/* zero things */
pm_memusage_zero(&total_usage);
total_shared_clean = total_shared_dirty = total_private_clean = total_private_dirty = 0;
for (i = 0; i < num_maps; i++) {
mi = (struct map_info *)calloc(1, sizeof(struct map_info));
if (!mi) {
fprintf(stderr, "error allocating map_info: %s\n", strerror(errno));
exit(EXIT_FAILURE);
}
mi->map = maps[i];
/* get, and sum, memory usage */
if (ws == WS_ONLY)
error = pm_map_workingset(mi->map, &mi->usage);
else
error = pm_map_usage(mi->map, &mi->usage);
if (error) {
fflush(stdout);
fprintf(stderr, "error getting usage for map.\n");
continue;
}
pm_memusage_add(&total_usage, &mi->usage);
/* get, and sum, individual page counts */
error = pm_map_pagemap(mi->map, &pagemap, &num_pages);
if (error) {
fflush(stdout);
fprintf(stderr, "error getting pagemap for map.\n");
continue;
}
mi->shared_clean = mi->shared_dirty = mi->private_clean = mi->private_dirty = 0;
for (j = 0; j < num_pages; j++) {
address = pm_map_start(mi->map) + j * ker->pagesize;
mapentry = pagemap[j];
if (PM_PAGEMAP_PRESENT(mapentry) && !PM_PAGEMAP_SWAPPED(mapentry)) {
error = pm_kernel_count(ker, PM_PAGEMAP_PFN(mapentry), &count);
if (error) {
fflush(stdout);
fprintf(stderr, "error getting count for frame.\n");
}
error = pm_kernel_flags(ker, PM_PAGEMAP_PFN(mapentry), &flags);
if (error) {
fflush(stdout);
fprintf(stderr, "error getting flags for frame.\n");
}
if ((ws != WS_ONLY) || (flags & PM_PAGE_REFERENCED)) {
if (count > 1) {
if (flags & PM_PAGE_DIRTY)
mi->shared_dirty++;
else
mi->shared_clean++;
} else {
if (flags & PM_PAGE_DIRTY)
mi->private_dirty++;
else
mi->private_clean++;
}
}
}
}
total_shared_clean += mi->shared_clean;
total_shared_dirty += mi->shared_dirty;
total_private_clean += mi->private_clean;
total_private_dirty += mi->private_dirty;
/* add to array */
mis[i] = mi;
}
/* sort the array, if requested (compfn == NULL for original order) */
if (compfn)
qsort(mis, num_maps, sizeof(mis[0]), compfn);
for (i = 0; i < num_maps; i++) {
mi = mis[i];
if ((!mi) || (hide_zeros && !mi->usage.rss))
continue;
if (ws == WS_ONLY) {
printf("%6ldK %6ldK %6ldK %6ldK %6ldK %6ldK %6ldK %s\n",
(long)mi->usage.rss / 1024,
(long)mi->usage.pss / 1024,
(long)mi->usage.uss / 1024,
mi->shared_clean * pagesize / 1024,
mi->shared_dirty * pagesize / 1024,
mi->private_clean * pagesize / 1024,
mi->private_dirty * pagesize / 1024,
pm_map_name(mi->map)
);
} else {
printf("%6ldK %6ldK %6ldK %6ldK %6ldK %6ldK %6ldK %6ldK %s\n",
(long)mi->usage.vss / 1024,
(long)mi->usage.rss / 1024,
(long)mi->usage.pss / 1024,
(long)mi->usage.uss / 1024,
mi->shared_clean * pagesize / 1024,
mi->shared_dirty * pagesize / 1024,
mi->private_clean * pagesize / 1024,
mi->private_dirty * pagesize / 1024,
pm_map_name(mi->map)
);
}
}
/* print totals */
if (ws == WS_ONLY) {
printf("%7s %7s %7s %7s %7s %7s %7s %s\n",
"-------", "-------", "-------", "-------", "-------", "-------", "-------", "");
printf("%6ldK %6ldK %6ldK %6ldK %6ldK %6ldK %6ldK %s\n",
(long)total_usage.rss / 1024,
(long)total_usage.pss / 1024,
(long)total_usage.uss / 1024,
total_shared_clean * pagesize / 1024,
total_shared_dirty * pagesize / 1024,
total_private_clean * pagesize / 1024,
total_private_dirty * pagesize / 1024,
"TOTAL"
);
} else {
printf("%7s %7s %7s %7s %7s %7s %7s %7s %s\n",
"-------", "-------", "-------", "-------", "-------", "-------", "-------", "-------", "");
printf("%6ldK %6ldK %6ldK %6ldK %6ldK %6ldK %6ldK %6ldK %s\n",
(long)total_usage.vss / 1024,
(long)total_usage.rss / 1024,
(long)total_usage.pss / 1024,
(long)total_usage.uss / 1024,
total_shared_clean * pagesize / 1024,
total_shared_dirty * pagesize / 1024,
total_private_clean * pagesize / 1024,
total_private_dirty * pagesize / 1024,
"TOTAL"
);
}
return 0;
}
int main(int argc, char *argv[]) {
char cmdline[256];
char *prefix;
size_t prefix_len;
int (*compfn)(const void *a, const void *b);
/// M: get swap usage @{
int show_swap;
/// @}
pm_kernel_t *ker;
pm_process_t *proc;
pid_t *pids;
size_t num_procs;
pm_map_t **maps;
size_t num_maps;
pm_memusage_t map_usage;
struct library_info *li, **lis;
struct mapping_info *mi, **mis;
struct process_info *pi;
int i, j, error;
signal(SIGPIPE, SIG_IGN);
compfn = &sort_by_pss;
order = -1;
prefix = NULL;
prefix_len = 0;
/// M: get swap usage @{
show_swap = 0;
/// @}
for (i = 1; i < argc; i++) {
if (!strcmp(argv[i], "-P")) {
if (i + 1 >= argc) {
fprintf(stderr, "Option -P requires an argument.\n");
usage(argv[0]);
exit(EXIT_FAILURE);
}
prefix = argv[++i];
prefix_len = strlen(prefix);
continue;
}
if (!strcmp(argv[i], "-v")) { compfn = &sort_by_vss; continue; }
if (!strcmp(argv[i], "-r")) { compfn = &sort_by_rss; continue; }
if (!strcmp(argv[i], "-p")) { compfn = &sort_by_pss; continue; }
if (!strcmp(argv[i], "-u")) { compfn = &sort_by_uss; continue; }
if (!strcmp(argv[i], "-R")) { order *= -1; continue; }
/// M: get swap usage @{
if (!strcmp(argv[i], "-s")) { show_swap = 1; continue; }
/// @}
if (!strcmp(argv[i], "-h")) { usage(argv[0]); exit(0); }
fprintf(stderr, "Invalid argument \"%s\".\n", argv[i]);
usage(argv[0]);
exit(EXIT_FAILURE);
}
libraries = malloc(INIT_LIBRARIES * sizeof(struct library_info *));
libraries_count = 0; libraries_size = INIT_LIBRARIES;
error = pm_kernel_create(&ker);
if (error) {
fprintf(stderr, "Error initializing kernel interface -- "
"does this kernel have pagemap?\n");
exit(EXIT_FAILURE);
}
error = pm_kernel_pids(ker, &pids, &num_procs);
if (error) {
fprintf(stderr, "Error listing processes.\n");
exit(EXIT_FAILURE);
}
for (i = 0; i < num_procs; i++) {
error = pm_process_create(ker, pids[i], &proc);
if (error) {
fprintf(stderr, "warning: could not create process interface for %d\n", pids[i]);
continue;
}
pi = get_process(pids[i]);
error = pm_process_maps(proc, &maps, &num_maps);
if (error) {
fprintf(stderr, "Error listing maps for process %d.\n", proc->pid);
exit(EXIT_FAILURE);
}
for (j = 0; j < num_maps; j++) {
if (prefix && (strncmp(pm_map_name(maps[j]), prefix, prefix_len)))
continue;
li = get_library(pm_map_name(maps[j]));
if (!li)
continue;
mi = get_mapping(li, pi);
error = pm_map_usage(maps[j], &map_usage);
if (error) {
fprintf(stderr, "Error getting map memory usage of "
"map %s in process %d.\n",
pm_map_name(maps[j]), proc->pid);
exit(EXIT_FAILURE);
}
pm_memusage_add(&mi->usage, &map_usage);
pm_memusage_add(&li->total_usage, &map_usage);
}
}
/// M: get swap usage @{
if (show_swap) {
printf( " %6s %6s %6s %6s %6s %6s %6s %s\n", "RSStot", "VSS", "RSS", "PSS", "USS", "SWAP", "PSWAP", "Name/PID");
} else {
printf( " %6s %6s %6s %6s %6s %s\n", "RSStot", "VSS", "RSS", "PSS", "USS", "Name/PID");
}
/// @}
fflush(stdout);
qsort(libraries, libraries_count, sizeof(libraries[0]), &licmp);
for (i = 0; i < libraries_count; i++) {
li = libraries[i];
printf("%6dK %6s %6s %6s %6s %s\n", li->total_usage.pss / 1024, "", "", "", "", li->name);
fflush(stdout);
qsort(li->mappings, li->mappings_count, sizeof(li->mappings[0]), compfn);
for (j = 0; j < li->mappings_count; j++) {
mi = li->mappings[j];
pi = mi->proc;
/// M: get swap usage @{
if (show_swap) {
printf( " %6s %6dK %6dK %6dK %6dK %6dK %6dK %s [%d]\n", "",
mi->usage.vss / 1024,
mi->usage.rss / 1024,
mi->usage.pss / 1024,
mi->usage.uss / 1024,
mi->usage.swap / 1024,
mi->usage.pswap / 1024,
pi->cmdline,
pi->pid);
} else {
printf( " %6s %6dK %6dK %6dK %6dK %s [%d]\n", "",
mi->usage.vss / 1024,
mi->usage.rss / 1024,
mi->usage.pss / 1024,
mi->usage.uss / 1024,
pi->cmdline,
pi->pid);
}
/// @}
}
printf("\n");
fflush(stdout);
}
return 0;
}