#include <dirent.h>
#include <errno.h>
+#include <fcntl.h>
+#include <inttypes.h>
+#include <stdbool.h>
#include <stdlib.h>
+#include <string.h>
#include <sys/types.h>
#include <unistd.h>
-#include <string.h>
-#include <fcntl.h>
#include <pagemap/pagemap.h>
struct proc_info {
pid_t pid;
pm_memusage_t usage;
- unsigned long wss;
+ uint64_t wss;
};
static void usage(char *myname);
static int getprocname(pid_t pid, char *buf, int len);
-static int numcmp(long long a, long long b);
+static int numcmp(uint64_t a, uint64_t b);
#define declare_sort(field) \
static int sort_by_ ## field (const void *a, const void *b)
declare_sort(rss);
declare_sort(pss);
declare_sort(uss);
+declare_sort(swap);
int (*compfn)(const void *a, const void *b);
static int order;
-void print_mem_info() {
+enum {
+ MEMINFO_TOTAL,
+ MEMINFO_FREE,
+ MEMINFO_BUFFERS,
+ MEMINFO_CACHED,
+ MEMINFO_SHMEM,
+ MEMINFO_SLAB,
+ MEMINFO_SWAP_TOTAL,
+ MEMINFO_SWAP_FREE,
+ MEMINFO_ZRAM_TOTAL,
+ MEMINFO_MAPPED,
+ MEMINFO_VMALLOC_USED,
+ MEMINFO_PAGE_TABLES,
+ MEMINFO_KERNEL_STACK,
+ MEMINFO_COUNT
+};
+
+void get_mem_info(uint64_t mem[]) {
char buffer[1024];
- int numFound = 0;
+ unsigned int numFound = 0;
int fd = open("/proc/meminfo", O_RDONLY);
"Cached:",
"Shmem:",
"Slab:",
+ "SwapTotal:",
+ "SwapFree:",
+ "ZRam:", /* not read from meminfo but from /sys/block/zram0 */
+ "Mapped:",
+ "VmallocUsed:",
+ "PageTables:",
+ "KernelStack:",
NULL
};
static const int tagsLen[] = {
7,
6,
5,
+ 10,
+ 9,
+ 5,
+ 7,
+ 12,
+ 11,
+ 12,
0
};
- long mem[] = { 0, 0, 0, 0, 0, 0 };
char* p = buffer;
- while (*p && numFound < 6) {
+ while (*p && (numFound < (sizeof(tagsLen) / sizeof(tagsLen[0])))) {
int i = 0;
while (tags[i]) {
if (strncmp(p, tags[i], tagsLen[i]) == 0) {
}
if (*p) p++;
}
-
- printf("RAM: %ldK total, %ldK free, %ldK buffers, %ldK cached, %ldK shmem, %ldK slab\n",
- mem[0], mem[1], mem[2], mem[3], mem[4], mem[5]);
}
int main(int argc, char *argv[]) {
pid_t *pids;
struct proc_info **procs;
size_t num_procs;
- unsigned long total_pss;
- unsigned long total_uss;
+ uint64_t total_pss;
+ uint64_t total_uss;
+ uint64_t total_swap;
+ uint64_t total_pswap;
+ uint64_t total_uswap;
+ uint64_t total_zswap;
char cmdline[256]; // this must be within the range of int
int error;
+ bool has_swap = false, has_zram = false;
+ uint64_t required_flags = 0;
+ uint64_t flags_mask = 0;
#define WS_OFF 0
#define WS_ONLY 1
int arg;
size_t i, j;
+ uint64_t mem[MEMINFO_COUNT] = { };
+ pm_proportional_swap_t *p_swap;
+ int fd, len;
+ char buffer[1024];
+ float zram_cr = 0.0;
+
+ signal(SIGPIPE, SIG_IGN);
compfn = &sort_by_pss;
order = -1;
ws = WS_OFF;
if (!strcmp(argv[arg], "-r")) { compfn = &sort_by_rss; continue; }
if (!strcmp(argv[arg], "-p")) { compfn = &sort_by_pss; continue; }
if (!strcmp(argv[arg], "-u")) { compfn = &sort_by_uss; continue; }
+ if (!strcmp(argv[arg], "-s")) { compfn = &sort_by_swap; continue; }
+ if (!strcmp(argv[arg], "-c")) { required_flags = 0; flags_mask = PM_PAGE_SWAPBACKED; continue; }
+ if (!strcmp(argv[arg], "-C")) { required_flags = flags_mask = PM_PAGE_SWAPBACKED; continue; }
+ if (!strcmp(argv[arg], "-k")) { required_flags = flags_mask = PM_PAGE_KSM; continue; }
if (!strcmp(argv[arg], "-w")) { ws = WS_ONLY; continue; }
if (!strcmp(argv[arg], "-W")) { ws = WS_RESET; continue; }
if (!strcmp(argv[arg], "-R")) { order *= -1; continue; }
exit(EXIT_FAILURE);
}
+ get_mem_info(mem);
+ p_swap = pm_memusage_pswap_create(mem[MEMINFO_SWAP_TOTAL] * 1024);
+
error = pm_kernel_create(&ker);
if (error) {
fprintf(stderr, "Error creating kernel interface -- "
}
procs[i]->pid = pids[i];
pm_memusage_zero(&procs[i]->usage);
+ pm_memusage_pswap_init_handle(&procs[i]->usage, p_swap);
error = pm_process_create(ker, pids[i], &proc);
if (error) {
fprintf(stderr, "warning: could not create process interface for %d\n", pids[i]);
switch (ws) {
case WS_OFF:
- error = pm_process_usage(proc, &procs[i]->usage);
+ error = pm_process_usage_flags(proc, &procs[i]->usage, flags_mask,
+ required_flags);
break;
case WS_ONLY:
error = pm_process_workingset(proc, &procs[i]->usage, 0);
fprintf(stderr, "warning: could not read usage for %d\n", pids[i]);
}
+ if (ws != WS_RESET && procs[i]->usage.swap) {
+ has_swap = true;
+ }
+
pm_process_destroy(proc);
}
qsort(procs, num_procs, sizeof(procs[0]), compfn);
- if (ws)
- printf("%5s %7s %7s %7s %s\n", "PID", "WRss", "WPss", "WUss", "cmdline");
- else
- printf("%5s %7s %7s %7s %7s %s\n", "PID", "Vss", "Rss", "Pss", "Uss", "cmdline");
+ if (has_swap) {
+ fd = open("/sys/block/zram0/mem_used_total", O_RDONLY);
+ if (fd >= 0) {
+ len = read(fd, buffer, sizeof(buffer)-1);
+ close(fd);
+ if (len > 0) {
+ buffer[len] = 0;
+ mem[MEMINFO_ZRAM_TOTAL] = atoll(buffer)/1024;
+ zram_cr = (float) mem[MEMINFO_ZRAM_TOTAL] /
+ (mem[MEMINFO_SWAP_TOTAL] - mem[MEMINFO_SWAP_FREE]);
+ has_zram = true;
+ }
+ }
+ }
+
+ printf("%5s ", "PID");
+ if (ws) {
+ printf("%7s %7s %7s ", "WRss", "WPss", "WUss");
+ if (has_swap) {
+ printf("%7s %7s %7s ", "WSwap", "WPSwap", "WUSwap");
+ if (has_zram) {
+ printf("%7s ", "WZSwap");
+ }
+ }
+ } else {
+ printf("%8s %7s %7s %7s ", "Vss", "Rss", "Pss", "Uss");
+ if (has_swap) {
+ printf("%7s %7s %7s ", "Swap", "PSwap", "USwap");
+ if (has_zram) {
+ printf("%7s ", "ZSwap");
+ }
+ }
+ }
+
+ printf("%s\n", "cmdline");
total_pss = 0;
total_uss = 0;
+ total_swap = 0;
+ total_pswap = 0;
+ total_uswap = 0;
+ total_zswap = 0;
for (i = 0; i < num_procs; i++) {
if (getprocname(procs[i]->pid, cmdline, (int)sizeof(cmdline)) < 0) {
total_pss += procs[i]->usage.pss;
total_uss += procs[i]->usage.uss;
+ total_swap += procs[i]->usage.swap;
+
+ printf("%5d ", procs[i]->pid);
- if (ws)
- printf("%5d %6dK %6dK %6dK %s\n",
- procs[i]->pid,
+ if (ws) {
+ printf("%6zuK %6zuK %6zuK ",
procs[i]->usage.rss / 1024,
procs[i]->usage.pss / 1024,
- procs[i]->usage.uss / 1024,
- cmdline
+ procs[i]->usage.uss / 1024
);
- else
- printf("%5d %6dK %6dK %6dK %6dK %s\n",
- procs[i]->pid,
+ } else {
+ printf("%7zuK %6zuK %6zuK %6zuK ",
procs[i]->usage.vss / 1024,
procs[i]->usage.rss / 1024,
procs[i]->usage.pss / 1024,
- procs[i]->usage.uss / 1024,
- cmdline
+ procs[i]->usage.uss / 1024
);
+ }
+
+ if (has_swap) {
+ pm_swapusage_t su;
+
+ pm_memusage_pswap_get_usage(&procs[i]->usage, &su);
+ printf("%6zuK ", procs[i]->usage.swap / 1024);
+ printf("%6zuK ", su.proportional / 1024);
+ printf("%6zuK ", su.unique / 1024);
+ total_pswap += su.proportional;
+ total_uswap += su.unique;
+ pm_memusage_pswap_free(&procs[i]->usage);
+ if (has_zram) {
+ size_t zpswap = su.proportional * zram_cr;
+ printf("%6zuK ", zpswap / 1024);
+ total_zswap += zpswap;
+ }
+ }
+
+ printf("%s\n", cmdline);
free(procs[i]);
}
free(procs);
+ pm_memusage_pswap_destroy(p_swap);
+
+ /* Print the separator line */
+ printf("%5s ", "");
+
+ if (ws) {
+ printf("%7s %7s %7s ", "", "------", "------");
+ } else {
+ printf("%8s %7s %7s %7s ", "", "", "------", "------");
+ }
+
+ if (has_swap) {
+ printf("%7s %7s %7s ", "------", "------", "------");
+ if (has_zram) {
+ printf("%7s ", "------");
+ }
+ }
+
+ printf("%s\n", "------");
+ /* Print the total line */
+ printf("%5s ", "");
if (ws) {
- printf("%5s %7s %7s %7s %s\n",
- "", "", "------", "------", "------");
- printf("%5s %7s %6ldK %6ldK %s\n",
- "", "", total_pss / 1024, total_uss / 1024, "TOTAL");
+ printf("%7s %6" PRIu64 "K %6" PRIu64 "K ",
+ "", total_pss / 1024, total_uss / 1024);
} else {
- printf("%5s %7s %7s %7s %7s %s\n",
- "", "", "", "------", "------", "------");
- printf("%5s %7s %7s %6ldK %6ldK %s\n",
- "", "", "", total_pss / 1024, total_uss / 1024, "TOTAL");
+ printf("%8s %7s %6" PRIu64 "K %6" PRIu64 "K ",
+ "", "", total_pss / 1024, total_uss / 1024);
}
+ if (has_swap) {
+ printf("%6" PRIu64 "K ", total_swap / 1024);
+ printf("%6" PRIu64 "K ", total_pswap / 1024);
+ printf("%6" PRIu64 "K ", total_uswap / 1024);
+ if (has_zram) {
+ printf("%6" PRIu64 "K ", total_zswap / 1024);
+ }
+ }
+
+ printf("TOTAL\n");
+
printf("\n");
- print_mem_info();
+
+ if (has_swap) {
+ printf("ZRAM: %" PRIu64 "K physical used for %" PRIu64 "K in swap "
+ "(%" PRIu64 "K total swap)\n",
+ mem[MEMINFO_ZRAM_TOTAL], (mem[MEMINFO_SWAP_TOTAL] - mem[MEMINFO_SWAP_FREE]),
+ mem[MEMINFO_SWAP_TOTAL]);
+ }
+ printf(" RAM: %" PRIu64 "K total, %" PRIu64 "K free, %" PRIu64 "K buffers, "
+ "%" PRIu64 "K cached, %" PRIu64 "K shmem, %" PRIu64 "K slab\n",
+ mem[MEMINFO_TOTAL], mem[MEMINFO_FREE], mem[MEMINFO_BUFFERS],
+ mem[MEMINFO_CACHED], mem[MEMINFO_SHMEM], mem[MEMINFO_SLAB]);
return 0;
}
static void usage(char *myname) {
- fprintf(stderr, "Usage: %s [ -W ] [ -v | -r | -p | -u | -h ]\n"
+ fprintf(stderr, "Usage: %s [ -W ] [ -v | -r | -p | -u | -s | -h ]\n"
" -v Sort by VSS.\n"
" -r Sort by RSS.\n"
" -p Sort by PSS.\n"
" -u Sort by USS.\n"
+ " -s Sort by swap.\n"
" (Default sort order is PSS.)\n"
" -R Reverse sort order (default is descending).\n"
+ " -c Only show cached (storage backed) pages\n"
+ " -C Only show non-cached (ram/swap backed) pages\n"
+ " -k Only show pages collapsed by KSM\n"
" -w Display statistics for working set only.\n"
" -W Reset working set of all processes.\n"
" -h Display this help screen.\n",
return -1;
}
- if (asprintf(&filename, "/proc/%zd/cmdline", pid) < 0) {
+ if (asprintf(&filename, "/proc/%d/cmdline", pid) < 0) {
rc = 1;
goto exit;
}
return rc;
}
-static int numcmp(long long a, long long b) {
+static int numcmp(uint64_t a, uint64_t b) {
if (a < b) return -1;
if (a > b) return 1;
return 0;
create_sort(rss, numcmp)
create_sort(pss, numcmp)
create_sort(uss, numcmp)
+create_sort(swap, numcmp)
OSDN Git Service
