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ef12a141 ACM |
1 | /* |
2 | * builtin-buildid-cache.c | |
3 | * | |
4 | * Builtin buildid-cache command: Manages build-id cache | |
5 | * | |
6 | * Copyright (C) 2010, Red Hat Inc. | |
7 | * Copyright (C) 2010, Arnaldo Carvalho de Melo <acme@redhat.com> | |
8 | */ | |
9 | #include "builtin.h" | |
10 | #include "perf.h" | |
11 | #include "util/cache.h" | |
12 | #include "util/debug.h" | |
13 | #include "util/header.h" | |
14 | #include "util/parse-options.h" | |
15 | #include "util/strlist.h" | |
16 | #include "util/symbol.h" | |
17 | ||
18 | static char const *add_name_list_str, *remove_name_list_str; | |
19 | ||
20 | static const char * const buildid_cache_usage[] = { | |
21 | "perf buildid-cache [<options>]", | |
22 | NULL | |
23 | }; | |
24 | ||
25 | static const struct option buildid_cache_options[] = { | |
26 | OPT_STRING('a', "add", &add_name_list_str, | |
27 | "file list", "file(s) to add"), | |
28 | OPT_STRING('r', "remove", &remove_name_list_str, "file list", | |
29 | "file(s) to remove"), | |
c0555642 | 30 | OPT_INCR('v', "verbose", &verbose, "be more verbose"), |
ef12a141 ACM |
31 | OPT_END() |
32 | }; | |
33 | ||
34 | static int build_id_cache__add_file(const char *filename, const char *debugdir) | |
35 | { | |
36 | char sbuild_id[BUILD_ID_SIZE * 2 + 1]; | |
37 | u8 build_id[BUILD_ID_SIZE]; | |
38 | int err; | |
39 | ||
40 | if (filename__read_build_id(filename, &build_id, sizeof(build_id)) < 0) { | |
41 | pr_debug("Couldn't read a build-id in %s\n", filename); | |
42 | return -1; | |
43 | } | |
44 | ||
45 | build_id__sprintf(build_id, sizeof(build_id), sbuild_id); | |
46 | err = build_id_cache__add_s(sbuild_id, debugdir, filename, false); | |
47 | if (verbose) | |
48 | pr_info("Adding %s %s: %s\n", sbuild_id, filename, | |
49 | err ? "FAIL" : "Ok"); | |
50 | return err; | |
51 | } | |
52 | ||
53 | static int build_id_cache__remove_file(const char *filename __used, | |
54 | const char *debugdir __used) | |
55 | { | |
56 | u8 build_id[BUILD_ID_SIZE]; | |
57 | char sbuild_id[BUILD_ID_SIZE * 2 + 1]; | |
58 | ||
59 | int err; | |
60 | ||
61 | if (filename__read_build_id(filename, &build_id, sizeof(build_id)) < 0) { | |
62 | pr_debug("Couldn't read a build-id in %s\n", filename); | |
63 | return -1; | |
64 | } | |
65 | ||
66 | build_id__sprintf(build_id, sizeof(build_id), sbuild_id); | |
67 | err = build_id_cache__remove_s(sbuild_id, debugdir); | |
68 | if (verbose) | |
69 | pr_info("Removing %s %s: %s\n", sbuild_id, filename, | |
70 | err ? "FAIL" : "Ok"); | |
71 | ||
72 | return err; | |
73 | } | |
74 | ||
75 | static int __cmd_buildid_cache(void) | |
76 | { | |
77 | struct strlist *list; | |
78 | struct str_node *pos; | |
79 | char debugdir[PATH_MAX]; | |
80 | ||
45de34bb | 81 | snprintf(debugdir, sizeof(debugdir), "%s", buildid_dir); |
ef12a141 ACM |
82 | |
83 | if (add_name_list_str) { | |
84 | list = strlist__new(true, add_name_list_str); | |
85 | if (list) { | |
86 | strlist__for_each(pos, list) | |
87 | if (build_id_cache__add_file(pos->s, debugdir)) { | |
88 | if (errno == EEXIST) { | |
89 | pr_debug("%s already in the cache\n", | |
90 | pos->s); | |
91 | continue; | |
92 | } | |
93 | pr_warning("Couldn't add %s: %s\n", | |
94 | pos->s, strerror(errno)); | |
95 | } | |
96 | ||
97 | strlist__delete(list); | |
98 | } | |
99 | } | |
100 | ||
101 | if (remove_name_list_str) { | |
102 | list = strlist__new(true, remove_name_list_str); | |
103 | if (list) { | |
104 | strlist__for_each(pos, list) | |
105 | if (build_id_cache__remove_file(pos->s, debugdir)) { | |
106 | if (errno == ENOENT) { | |
107 | pr_debug("%s wasn't in the cache\n", | |
108 | pos->s); | |
109 | continue; | |
110 | } | |
111 | pr_warning("Couldn't remove %s: %s\n", | |
112 | pos->s, strerror(errno)); | |
113 | } | |
114 | ||
115 | strlist__delete(list); | |
116 | } | |
117 | } | |
118 | ||
119 | return 0; | |
120 | } | |
121 | ||
122 | int cmd_buildid_cache(int argc, const char **argv, const char *prefix __used) | |
123 | { | |
124 | argc = parse_options(argc, argv, buildid_cache_options, | |
125 | buildid_cache_usage, 0); | |
126 | ||
127 | if (symbol__init() < 0) | |
128 | return -1; | |
129 | ||
130 | setup_pager(); | |
131 | return __cmd_buildid_cache(); | |
132 | } |