auto import from //depot/cupcake/@135843

1 files changed, 0 insertions, 349 deletions

diff --git a/librank/librank.c b/librank/librank.c
deleted file mode 100644
index 13b20974..00000000
--- a/librank/librank.c
+++ /dev/null
@@ -1,349 +0,0 @@
-/*
- * Copyright (C) 2008 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 <assert.h>
-#include <dirent.h>
-#include <errno.h>
-#include <stdlib.h>
-#include <string.h>
-#include <sys/types.h>
-#include <unistd.h>
-
-#include <pagemap/pagemap.h>
-
-#define MAX_CMDLINE 256
-
-struct process_info {
-    pid_t pid;
-    char cmdline[MAX_CMDLINE];
-};
-
-struct mapping_info {
-    struct process_info *proc;
-    pm_memusage_t usage;
-};    
-
-struct library_info {
-    struct library_info *next;
-    char *name;
-    struct mapping_info **mappings;
-    int mappings_count;
-    int mappings_size;
-    pm_memusage_t total_usage;
-};
-
-static void usage(char *myname);
-static int getprocname(pid_t pid, char *buf, size_t len);
-static int numcmp(long long a, long long b);
-static int licmp(const void *a, const void *b);
-
-char *library_name_blacklist[] = { "[heap]", "[stack]", "", NULL };
-
-#define declare_sort(field) \
-    static int sort_by_ ## field (const void *a, const void *b)
-
-declare_sort(vss);
-declare_sort(rss);
-declare_sort(pss);
-declare_sort(uss);
-
-#define INIT_LIBRARIES 16
-#define INIT_MAPPINGS 4
-
-static int order;
-
-struct library_info **libraries;
-int libraries_count;
-int libraries_size;
-
-struct library_info *get_library(char *name) {
-    int i;
-    struct library_info *library;
-
-    for (i = 0; library_name_blacklist[i]; i++)
-        if (!strcmp(name, library_name_blacklist[i]))
-            return NULL;
-
-    for (i = 0; i < libraries_count; i++) {
-        if (!strcmp(libraries[i]->name, name))
-            return libraries[i];
-    }
-
-    if (libraries_count >= libraries_size) {
-        libraries = realloc(libraries, 2 * libraries_size * sizeof(struct library_info *));
-        if (!libraries) {
-            fprintf(stderr, "Couldn't resize libraries array: %s\n", strerror(errno));
-            exit(EXIT_FAILURE);
-        }
-        libraries_size = 2 * libraries_size;
-    }
-
-    library = calloc(1, sizeof(*library));
-    if (!library) {
-        fprintf(stderr, "Couldn't allocate space for library struct: %s\n", strerror(errno));
-        exit(EXIT_FAILURE);
-    }
-    library->name = malloc(strlen(name) + 1);
-    if (!library->name) {
-        fprintf(stderr, "Couldn't allocate space for library name: %s\n", strerror(errno));
-        exit(EXIT_FAILURE);
-    }
-    strcpy(library->name, name);
-    library->mappings = malloc(INIT_MAPPINGS * sizeof(struct mapping_info *));
-    if (!library->mappings) {
-        fprintf(stderr, "Couldn't allocate space for library mappings array: %s\n", strerror(errno));
-        exit(EXIT_FAILURE);
-    }
-    library->mappings_count = 0; library->mappings_size = INIT_MAPPINGS;
-    pm_memusage_zero(&library->total_usage);
-
-    libraries[libraries_count++] = library;
-
-    return library;
-}
-
-struct mapping_info *get_mapping(struct library_info *library, struct process_info *proc) {
-    struct mapping_info *mapping;
-    int i;
-
-    for (i = 0; i < library->mappings_count; i++) {
-        if (library->mappings[i]->proc == proc)
-            return library->mappings[i];
-    }
-
-    if (library->mappings_count >= library->mappings_size) {
-        library->mappings = realloc(library->mappings,
-            2 * library->mappings_size * sizeof(struct mapping*));
-        if (!library->mappings) {
-            fprintf(stderr, "Couldn't resize mappings array: %s\n", strerror(errno));
-            exit(EXIT_FAILURE);
-        }
-        library->mappings_size = 2 * library->mappings_size;
-    }
-
-    mapping = calloc(1, sizeof(*mapping));
-    if (!mapping) {
-        fprintf(stderr, "Couldn't allocate space for mapping struct: %s\n", strerror(errno));
-        exit(EXIT_FAILURE);
-    }
-    mapping->proc = proc;
-    pm_memusage_zero(&mapping->usage);
-
-    library->mappings[library->mappings_count++] = mapping;
-
-    return mapping;
-}
-
-struct process_info *get_process(pid_t pid) {
-    struct process_info *process;
-
-    process = calloc(1, sizeof(*process));
-    if (!process) {
-        fprintf(stderr, "Couldn't allocate space for process struct: %s\n", strerror(errno));
-        exit(EXIT_FAILURE);
-    }
-    
-    process->pid = pid;
-    getprocname(pid, process->cmdline, sizeof(process->cmdline));
-
-    return process;
-}
-
-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;
-
-    int i, j, error;
-
-    compfn = &sort_by_pss;
-    order = -1;
-    prefix = NULL;
-    prefix_len = 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; }
-        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);
-        }
-    }
-
-    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;
-            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;
-}
-
-static void usage(char *myname) {
-    fprintf(stderr, "Usage: %s [ -P | -L ] [ -v | -r | -p | -u | -h ]\n"
-                    "\n"
-                    "Sort options:\n"
-                    "    -v  Sort processes by VSS.\n"
-                    "    -r  Sort processes by RSS.\n"
-                    "    -p  Sort processes by PSS.\n"
-                    "    -u  Sort processes by USS.\n"
-                    "        (Default sort order is PSS.)\n"
-                    "    -P /path  Limit libraries displayed to those in path.\n"
-                    "    -R  Reverse sort order (default is descending).\n"
-                    "    -h  Display this help screen.\n",
-    myname);
-}
-
-static int getprocname(pid_t pid, char *buf, size_t len) {
-    char filename[20];
-    FILE *f;
-
-    sprintf(filename, "/proc/%d/cmdline", pid);
-    f = fopen(filename, "r");
-    if (!f) { *buf = '\0'; return 1; }
-    if (!fgets(buf, len, f)) { *buf = '\0'; return 2; }
-    fclose(f);
-    return 0;
-}
-
-static int numcmp(long long a, long long b) {
-    if (a < b) return -1;
-    if (a > b) return 1;
-    return 0;
-}
-
-static int licmp(const void *a, const void *b) {
-    return order * numcmp(
-        (*((struct library_info**)a))->total_usage.pss,
-        (*((struct library_info**)b))->total_usage.pss
-    );
-}
-
-#define create_sort(field, compfn) \
-    static int sort_by_ ## field (const void *a, const void *b) { \
-        return order * compfn( \
-            (*((struct mapping_info**)a))->usage.field, \
-            (*((struct mapping_info**)b))->usage.field \
-        ); \
-    }
-
-create_sort(vss, numcmp)
-create_sort(rss, numcmp)
-create_sort(pss, numcmp)
-create_sort(uss, numcmp)