diff options
author | The Android Open Source Project <initial-contribution@android.com> | 2008-10-21 07:00:00 -0700 |
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committer | The Android Open Source Project <initial-contribution@android.com> | 2008-10-21 07:00:00 -0700 |
commit | 7341494707810f709855ea85ce03a8ec3ac8dbaf (patch) | |
tree | 3bfd77f6c3acddfd222b1b0f4cf1a3452bcc1863 /procmem | |
download | extras-7341494707810f709855ea85ce03a8ec3ac8dbaf.tar.gz |
Initial Contributionandroid-1.0release-1.0cdma-import
Diffstat (limited to 'procmem')
-rw-r--r-- | procmem/Android.mk | 30 | ||||
-rw-r--r-- | procmem/MODULE_LICENSE_APACHE2 | 0 | ||||
-rw-r--r-- | procmem/NOTICE | 190 | ||||
-rw-r--r-- | procmem/procmem.c | 322 |
4 files changed, 542 insertions, 0 deletions
diff --git a/procmem/Android.mk b/procmem/Android.mk new file mode 100644 index 00000000..ffd56604 --- /dev/null +++ b/procmem/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 := procmem.c + +LOCAL_C_INCLUDES := $(call include-path-for, libpagemap) + +LOCAL_SHARED_LIBRARIES := libpagemap + +LOCAL_MODULE := procmem + +LOCAL_MODULE_PATH := $(TARGET_OUT_OPTIONAL_EXECUTABLES) + +LOCAL_MODULE_TAGS := debug + +include $(BUILD_EXECUTABLE) diff --git a/procmem/MODULE_LICENSE_APACHE2 b/procmem/MODULE_LICENSE_APACHE2 new file mode 100644 index 00000000..e69de29b --- /dev/null +++ b/procmem/MODULE_LICENSE_APACHE2 diff --git a/procmem/NOTICE b/procmem/NOTICE new file mode 100644 index 00000000..c5b1efa7 --- /dev/null +++ b/procmem/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. For the purposes of this definition, + "control" means (i) the power, direct or indirect, to cause the + direction or management of such entity, whether by contract or + otherwise, or (ii) ownership of fifty percent (50%) or more of the + outstanding shares, or (iii) beneficial ownership of such entity. + + "You" (or "Your") shall mean an individual or Legal Entity + exercising permissions granted by this License. + + "Source" form shall mean the preferred form for making modifications, + including but not limited to software source code, documentation + source, and configuration files. + + "Object" form shall mean any form resulting from mechanical + transformation or translation of a Source form, including but + not limited to compiled object code, generated documentation, + and conversions to other media types. + + "Work" shall mean the work of authorship, whether in Source or + Object form, made available under the License, as indicated by a + copyright notice that is included in or attached to the work + (an example is provided in the Appendix below). + + "Derivative Works" shall mean any work, whether in Source or Object + form, that is based on (or derived from) the Work and for which the + editorial revisions, annotations, elaborations, or other modifications + represent, as a whole, an original work of authorship. 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/procmem/procmem.c b/procmem/procmem.c new file mode 100644 index 00000000..03c9f51f --- /dev/null +++ b/procmem/procmem.c @@ -0,0 +1,322 @@ +/* + * 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 <errno.h> +#include <stdint.h> +#include <stdio.h> +#include <stdlib.h> + +#include <pagemap/pagemap.h> + +/* Information about a single mapping */ +struct map_info { + pm_map_t *map; + pm_memusage_t usage; + /* page counts */ + unsigned long shared_clean; + unsigned long shared_dirty; + unsigned long private_clean; + unsigned long private_dirty; +}; + +/* display the help screen */ +static void usage(const char *cmd); + +/* qsort compare function to compare maps by PSS */ +int comp_pss(const void *a, const void *b); + +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 (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; +} + +static void usage(const char *cmd) { + fprintf(stderr, "Usage: %s [ -w | -W ] [ -p | -m ] [ -h ] pid\n" + " -w Displays statistics for the working set only.\n" + " -W Resets the working set of the process.\n" + " -p Sort by PSS.\n" + " -m Sort by mapping order (as read from /proc).\n" + " -h Hide maps with no RSS.\n", + cmd); +} + +int comp_pss(const void *a, const void *b) { + struct map_info *ma, *mb; + + ma = *((struct map_info **)a); + mb = *((struct map_info **)b); + + if (mb->usage.pss < ma->usage.pss) return -1; + if (mb->usage.pss > ma->usage.pss) return 1; + return 0; +} |