diff options
Diffstat (limited to 'showmap/showmap.c')
| -rw-r--r-- | showmap/showmap.c | 234 |
1 files changed, 0 insertions, 234 deletions
diff --git a/showmap/showmap.c b/showmap/showmap.c deleted file mode 100644 index 4abd56a8..00000000 --- a/showmap/showmap.c +++ /dev/null @@ -1,234 +0,0 @@ -#include <stdio.h> -#include <stdlib.h> -#include <math.h> -#include <string.h> -#include <errno.h> -#include <unistd.h> -#include <fcntl.h> - -#include <ctype.h> -#include <stddef.h> - -typedef struct mapinfo mapinfo; - -struct mapinfo { - mapinfo *next; - unsigned start; - unsigned end; - unsigned size; - unsigned rss; - unsigned pss; - unsigned shared_clean; - unsigned shared_dirty; - unsigned private_clean; - unsigned private_dirty; - char name[1]; -}; - -// 6f000000-6f01e000 rwxp 00000000 00:0c 16389419 /android/lib/libcomposer.so -// 012345678901234567890123456789012345678901234567890123456789 -// 0 1 2 3 4 5 - -mapinfo *read_mapinfo(FILE *fp) -{ - char line[1024]; - mapinfo *mi; - int len; - int skip; - -again: - skip = 0; - - if(fgets(line, 1024, fp) == 0) return 0; - - len = strlen(line); - if(len < 1) return 0; - line[--len] = 0; - - mi = calloc(1, sizeof(mapinfo) + len + 16); - if(mi == 0) return 0; - - mi->start = strtoul(line, 0, 16); - mi->end = strtoul(line + 9, 0, 16); - - if(len < 50) { - if((mi->start >= 0x10000000) && (mi->start < 0x40000000)) { - strcpy(mi->name, "[stack]"); - } else if(mi->start > 0x50000000) { - strcpy(mi->name, "[lib_bss]"); - } else { - strcpy(mi->name, "[anon]"); - } - } else { - strcpy(mi->name, line + 49); - } - - if(fgets(line, 1024, fp) == 0) goto oops; - if(sscanf(line, "Size: %d kB", &mi->size) != 1) goto oops; - if(fgets(line, 1024, fp) == 0) goto oops; - if(sscanf(line, "Rss: %d kB", &mi->rss) != 1) goto oops; - if(fgets(line, 1024, fp) == 0) goto oops; - if(sscanf(line, "Pss: %d kB", &mi->pss) == 1) - if(fgets(line, 1024, fp) == 0) goto oops; - if(sscanf(line, "Shared_Clean: %d kB", &mi->shared_clean) != 1) goto oops; - if(fgets(line, 1024, fp) == 0) goto oops; - if(sscanf(line, "Shared_Dirty: %d kB", &mi->shared_dirty) != 1) goto oops; - if(fgets(line, 1024, fp) == 0) goto oops; - if(sscanf(line, "Private_Clean: %d kB", &mi->private_clean) != 1) goto oops; - if(fgets(line, 1024, fp) == 0) goto oops; - if(sscanf(line, "Private_Dirty: %d kB", &mi->private_dirty) != 1) goto oops; - if(fgets(line, 1024, fp) == 0) goto oops; - if(fgets(line, 1024, fp) == 0) goto oops; - - if(skip) { - free(mi); - goto again; - } - - return mi; -oops: - fprintf(stderr, "WARNING: Format of /proc/<pid>/smaps has changed!\n"); - free(mi); - return 0; -} - - -mapinfo *load_maps(int pid, int verbose) -{ - char tmp[128]; - FILE *fp; - mapinfo *milist = 0; - mapinfo *mi; - - sprintf(tmp, "/proc/%d/smaps", pid); - fp = fopen(tmp, "r"); - if(fp == 0) return 0; - - while((mi = read_mapinfo(fp)) != 0) { - /* if not verbose, coalesce mappings from the same entity */ - if(!verbose && milist) { - if((!strcmp(mi->name, milist->name) && (mi->name[0] != '[')) - || !strcmp(mi->name,"[lib_bss]")) { - milist->size += mi->size; - milist->rss += mi->rss; - milist->pss += mi->pss; - milist->shared_clean += mi->shared_clean; - milist->shared_dirty += mi->shared_dirty; - milist->private_clean += mi->private_clean; - milist->private_dirty += mi->private_dirty; - milist->end = mi->end; - free(mi); - continue; - } - } - - mi->next = milist; - milist = mi; - } - fclose(fp); - - return milist; -} - -static int verbose = 0; -static int terse = 0; -static int addresses = 0; - -int show_map(int pid) -{ - mapinfo *milist; - mapinfo *mi; - unsigned shared_dirty = 0; - unsigned shared_clean = 0; - unsigned private_dirty = 0; - unsigned private_clean = 0; - unsigned rss = 0; - unsigned pss = 0; - unsigned size = 0; - - milist = load_maps(pid, verbose); - if(milist == 0) { - fprintf(stderr,"cannot get /proc/smaps for pid %d\n", pid); - return 1; - } - - if(addresses) { - printf("start end shared private object\n"); - printf("-------- -------- -------- -------- ------------------------------\n"); - } else { - printf("virtual shared shared private private\n"); - printf("size RSS PSS clean dirty clean dirty object\n"); - printf("-------- -------- -------- -------- -------- -------- -------- ------------------------------\n"); - } - for(mi = milist; mi; mi = mi->next){ - shared_clean += mi->shared_clean; - shared_dirty += mi->shared_dirty; - private_clean += mi->private_clean; - private_dirty += mi->private_dirty; - rss += mi->rss; - pss += mi->pss; - size += mi->size; - - if(terse && !mi->private_dirty) continue; - - if(addresses) { - printf("%08x %08x %8d %8d %s\n", mi->start, mi->end, - mi->shared_clean + mi->shared_dirty, - mi->private_clean + mi->private_dirty, - mi->name); - } else { - printf("%8d %8d %8d %8d %8d %8d %8d %s\n", mi->size, - mi->rss, - mi->pss, - mi->shared_clean, mi->shared_dirty, - mi->private_clean, mi->private_dirty, - mi->name); - } - } - if(addresses) { - printf("-------- -------- -------- -------- ------------------------------\n"); - printf(" %8d %8d TOTAL\n", - shared_dirty + shared_clean, - private_dirty + private_clean); - } else { - printf("-------- -------- -------- -------- -------- -------- -------- ------------------------------\n"); - printf("%8d %8d %8d %8d %8d %8d %8d TOTAL\n", size, - rss, pss, - shared_clean, shared_dirty, - private_clean, private_dirty); - } - return 0; -} - -int main(int argc, char *argv[]) -{ - int usage = 1; - - for(argc--, argv++; argc > 0; argc--, argv++) { - if(!strcmp(argv[0],"-v")) { - verbose = 1; - continue; - } - if(!strcmp(argv[0],"-t")) { - terse = 1; - continue; - } - if(!strcmp(argv[0],"-a")) { - addresses = 1; - continue; - } - show_map(atoi(argv[0])); - usage = 0; - } - - if(usage) { - fprintf(stderr, - "showmap [-t] [-v] [-c] <pid>\n" - " -t = terse (show only items with private pages)\n" - " -v = verbose (don't coalesce adjacant maps)\n" - " -a = addresses (show virtual memory map)\n" - ); - } - - return 0; -} |