diff options
Diffstat (limited to 'procrank')
-rw-r--r-- | procrank/Android.mk | 30 | ||||
-rw-r--r-- | procrank/MODULE_LICENSE_APACHE2 | 0 | ||||
-rw-r--r-- | procrank/NOTICE | 190 | ||||
-rw-r--r-- | procrank/procrank.c | 206 |
4 files changed, 426 insertions, 0 deletions
diff --git a/procrank/Android.mk b/procrank/Android.mk new file mode 100644 index 00000000..eb487105 --- /dev/null +++ b/procrank/Android.mk @@ -0,0 +1,30 @@ +# 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. + +LOCAL_PATH:= $(call my-dir) +include $(CLEAR_VARS) + +LOCAL_SRC_FILES := procrank.c + +LOCAL_C_INCLUDES := $(call include-path-for, libpagemap) + +LOCAL_SHARED_LIBRARIES := libpagemap + +LOCAL_MODULE := procrank + +LOCAL_MODULE_PATH := $(TARGET_OUT_OPTIONAL_EXECUTABLES) + +LOCAL_MODULE_TAGS := debug + +include $(BUILD_EXECUTABLE) diff --git a/procrank/MODULE_LICENSE_APACHE2 b/procrank/MODULE_LICENSE_APACHE2 new file mode 100644 index 00000000..e69de29b --- /dev/null +++ b/procrank/MODULE_LICENSE_APACHE2 diff --git a/procrank/NOTICE b/procrank/NOTICE new file mode 100644 index 00000000..c5b1efa7 --- /dev/null +++ b/procrank/NOTICE @@ -0,0 +1,190 @@ + + Copyright (c) 2005-2008, 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. + + 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. + + + Apache License + Version 2.0, January 2004 + http://www.apache.org/licenses/ + + TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION + + 1. Definitions. + + "License" shall mean the terms and conditions for use, reproduction, + and distribution as defined by Sections 1 through 9 of this document. + + "Licensor" shall mean the copyright owner or entity authorized by + the copyright owner that is granting the License. + + "Legal Entity" shall mean the union of the acting entity and all + other entities that control, are controlled by, or are under common + control with that entity. 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For the purposes + of this License, Derivative Works shall not include works that remain + separable from, or merely link (or bind by name) to the interfaces of, + the Work and Derivative Works thereof. + + "Contribution" shall mean any work of authorship, including + the original version of the Work and any modifications or additions + to that Work or Derivative Works thereof, that is intentionally + submitted to Licensor for inclusion in the Work by the copyright owner + or by an individual or Legal Entity authorized to submit on behalf of + the copyright owner. For the purposes of this definition, "submitted" + means any form of electronic, verbal, or written communication sent + to the Licensor or its representatives, including but not limited to + communication on electronic mailing lists, source code control systems, + and issue tracking systems that are managed by, or on behalf of, the + Licensor for the purpose of discussing and improving the Work, but + excluding communication that is conspicuously marked or otherwise + designated in writing by the copyright owner as "Not a Contribution." + + "Contributor" shall mean Licensor and any individual or Legal Entity + on behalf of whom a Contribution has been received by Licensor and + subsequently incorporated within the Work. + + 2. Grant of Copyright License. Subject to the terms and conditions of + this License, each Contributor hereby grants to You a perpetual, + worldwide, non-exclusive, no-charge, royalty-free, irrevocable + copyright license to reproduce, prepare Derivative Works of, + publicly display, publicly perform, sublicense, and distribute the + Work and such Derivative Works in Source or Object form. + + 3. Grant of Patent License. Subject to the terms and conditions of + this License, each Contributor hereby grants to You a perpetual, + worldwide, non-exclusive, no-charge, royalty-free, irrevocable + (except as stated in this section) patent license to make, have made, + use, offer to sell, sell, import, and otherwise transfer the Work, + where such license applies only to those patent claims licensable + by such Contributor that are necessarily infringed by their + Contribution(s) alone or by combination of their Contribution(s) + with the Work to which such Contribution(s) was submitted. If You + institute patent litigation against any entity (including a + cross-claim or counterclaim in a lawsuit) alleging that the Work + or a Contribution incorporated within the Work constitutes direct + or contributory patent infringement, then any patent licenses + granted to You under this License for that Work shall terminate + as of the date such litigation is filed. + + 4. Redistribution. You may reproduce and distribute copies of the + Work or Derivative Works thereof in any medium, with or without + modifications, and in Source or Object form, provided that You + meet the following conditions: + + (a) You must give any other recipients of the Work or + Derivative Works a copy of this License; and + + (b) You must cause any modified files to carry prominent notices + stating that You changed the files; and + + (c) You must retain, in the Source form of any Derivative Works + that You distribute, all copyright, patent, trademark, and + attribution notices from the Source form of the Work, + excluding those notices that do not pertain to any part of + the Derivative Works; and + + (d) If the Work includes a "NOTICE" text file as part of its + distribution, then any Derivative Works that You distribute must + include a readable copy of the attribution notices contained + within such NOTICE file, excluding those notices that do not + pertain to any part of the Derivative Works, in at least one + of the following places: within a NOTICE text file distributed + as part of the Derivative Works; within the Source form or + documentation, if provided along with the Derivative Works; or, + within a display generated by the Derivative Works, if and + wherever such third-party notices normally appear. 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Unless required by applicable law or + agreed to in writing, Licensor provides the Work (and each + Contributor provides its Contributions) on an "AS IS" BASIS, + WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or + implied, including, without limitation, any warranties or conditions + of TITLE, NON-INFRINGEMENT, MERCHANTABILITY, or FITNESS FOR A + PARTICULAR PURPOSE. You are solely responsible for determining the + appropriateness of using or redistributing the Work and assume any + risks associated with Your exercise of permissions under this License. + + 8. Limitation of Liability. In no event and under no legal theory, + whether in tort (including negligence), contract, or otherwise, + unless required by applicable law (such as deliberate and grossly + negligent acts) or agreed to in writing, shall any Contributor be + liable to You for damages, including any direct, indirect, special, + incidental, or consequential damages of any character arising as a + result of this License or out of the use or inability to use the + Work (including but not limited to damages for loss of goodwill, + work stoppage, computer failure or malfunction, or any and all + other commercial damages or losses), even if such Contributor + has been advised of the possibility of such damages. + + 9. Accepting Warranty or Additional Liability. While redistributing + the Work or Derivative Works thereof, You may choose to offer, + and charge a fee for, acceptance of support, warranty, indemnity, + or other liability obligations and/or rights consistent with this + License. However, in accepting such obligations, You may act only + on Your own behalf and on Your sole responsibility, not on behalf + of any other Contributor, and only if You agree to indemnify, + defend, and hold each Contributor harmless for any liability + incurred by, or claims asserted against, such Contributor by reason + of your accepting any such warranty or additional liability. + + END OF TERMS AND CONDITIONS + diff --git a/procrank/procrank.c b/procrank/procrank.c new file mode 100644 index 00000000..585fddcd --- /dev/null +++ b/procrank/procrank.c @@ -0,0 +1,206 @@ +/* + * 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 <dirent.h> +#include <errno.h> +#include <stdlib.h> +#include <sys/types.h> +#include <unistd.h> + +#include <pagemap/pagemap.h> + +struct proc_info { + pid_t pid; + pm_memusage_t usage; + unsigned long wss; +}; + +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); + +#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); + +int (*compfn)(const void *a, const void *b); +static int order; + +#define MAX_PROCS 256 + +int main(int argc, char *argv[]) { + pm_kernel_t *ker; + pm_process_t *proc; + pid_t *pids; + struct proc_info *procs[MAX_PROCS]; + size_t num_procs; + char cmdline[256]; + int error; + + #define WS_OFF 0 + #define WS_ONLY 1 + #define WS_RESET 2 + int ws; + + int i, j; + + compfn = &sort_by_pss; + order = -1; + ws = WS_OFF; + + for (i = 1; i < argc; i++) { + 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], "-w")) { ws = WS_ONLY; continue; } + if (!strcmp(argv[i], "-W")) { ws = WS_RESET; 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); + } + + error = pm_kernel_create(&ker); + if (error) { + fprintf(stderr, "Error creating 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++) { + procs[i] = malloc(sizeof(struct proc_info)); + if (!procs[i]) { + fprintf(stderr, "malloc: %s\n", strerror(errno)); + exit(EXIT_FAILURE); + } + procs[i]->pid = pids[i]; + error = pm_process_create(ker, pids[i], &proc); + if (!error) { + switch (ws) { + case WS_OFF: + pm_process_usage(proc, &procs[i]->usage); + break; + case WS_ONLY: + pm_process_workingset(proc, &procs[i]->usage, 0); + break; + case WS_RESET: + pm_process_workingset(proc, NULL, 1); + break; + } + pm_process_destroy(proc); + } else { + fprintf(stderr, "warning: could not create process interface for %d\n", pids[i]); + pm_memusage_zero(&procs[i]->usage); + } + } + + free(pids); + + if (ws == WS_RESET) exit(0); + + j = 0; + for (i = 0; i < num_procs; i++) { + if (procs[i]->usage.vss) + procs[j++] = procs[i]; + } + num_procs = j; + + 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"); + for (i = 0; i < num_procs; i++) { + getprocname(procs[i]->pid, cmdline, sizeof(cmdline)); + if (ws) + printf("%5d %6dK %6dK %6dK %s\n", + procs[i]->pid, + procs[i]->usage.rss / 1024, + procs[i]->usage.pss / 1024, + procs[i]->usage.uss / 1024, + cmdline + ); + else + printf("%5d %6dK %6dK %6dK %6dK %s\n", + procs[i]->pid, + procs[i]->usage.vss / 1024, + procs[i]->usage.rss / 1024, + procs[i]->usage.pss / 1024, + procs[i]->usage.uss / 1024, + cmdline + ); + } + + return 0; +} + +static void usage(char *myname) { + fprintf(stderr, "Usage: %s [ -W ] [ -v | -r | -p | -u | -h ]\n" + " -v Sort by VSS.\n" + " -r Sort by RSS.\n" + " -p Sort by PSS.\n" + " -u Sort by USS.\n" + " (Default sort order is PSS.)\n" + " -R Reverse sort order (default is descending).\n" + " -w Display statistics for working set only.\n" + " -W Reset working set of all processes.\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; +} + +#define create_sort(field, compfn) \ + static int sort_by_ ## field (const void *a, const void *b) { \ + return order * compfn( \ + (*((struct proc_info**)a))->usage.field, \ + (*((struct proc_info**)b))->usage.field \ + ); \ + } + +create_sort(vss, numcmp) +create_sort(rss, numcmp) +create_sort(pss, numcmp) +create_sort(uss, numcmp) |