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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 | ||
ef12a141 ACM |
18 | static int build_id_cache__add_file(const char *filename, const char *debugdir) |
19 | { | |
20 | char sbuild_id[BUILD_ID_SIZE * 2 + 1]; | |
21 | u8 build_id[BUILD_ID_SIZE]; | |
22 | int err; | |
23 | ||
24 | if (filename__read_build_id(filename, &build_id, sizeof(build_id)) < 0) { | |
25 | pr_debug("Couldn't read a build-id in %s\n", filename); | |
26 | return -1; | |
27 | } | |
28 | ||
29 | build_id__sprintf(build_id, sizeof(build_id), sbuild_id); | |
7dbf4dcf JO |
30 | err = build_id_cache__add_s(sbuild_id, debugdir, filename, |
31 | false, false); | |
ef12a141 ACM |
32 | if (verbose) |
33 | pr_info("Adding %s %s: %s\n", sbuild_id, filename, | |
34 | err ? "FAIL" : "Ok"); | |
35 | return err; | |
36 | } | |
37 | ||
472cc83c ACM |
38 | static int build_id_cache__remove_file(const char *filename, |
39 | const char *debugdir) | |
ef12a141 ACM |
40 | { |
41 | u8 build_id[BUILD_ID_SIZE]; | |
42 | char sbuild_id[BUILD_ID_SIZE * 2 + 1]; | |
43 | ||
44 | int err; | |
45 | ||
46 | if (filename__read_build_id(filename, &build_id, sizeof(build_id)) < 0) { | |
47 | pr_debug("Couldn't read a build-id in %s\n", filename); | |
48 | return -1; | |
49 | } | |
50 | ||
51 | build_id__sprintf(build_id, sizeof(build_id), sbuild_id); | |
52 | err = build_id_cache__remove_s(sbuild_id, debugdir); | |
53 | if (verbose) | |
54 | pr_info("Removing %s %s: %s\n", sbuild_id, filename, | |
55 | err ? "FAIL" : "Ok"); | |
56 | ||
57 | return err; | |
58 | } | |
59 | ||
472cc83c ACM |
60 | int cmd_buildid_cache(int argc, const char **argv, |
61 | const char *prefix __maybe_unused) | |
ef12a141 ACM |
62 | { |
63 | struct strlist *list; | |
64 | struct str_node *pos; | |
65 | char debugdir[PATH_MAX]; | |
472cc83c ACM |
66 | char const *add_name_list_str = NULL, |
67 | *remove_name_list_str = NULL; | |
68 | const struct option buildid_cache_options[] = { | |
69 | OPT_STRING('a', "add", &add_name_list_str, | |
70 | "file list", "file(s) to add"), | |
71 | OPT_STRING('r', "remove", &remove_name_list_str, "file list", | |
72 | "file(s) to remove"), | |
73 | OPT_INCR('v', "verbose", &verbose, "be more verbose"), | |
74 | OPT_END() | |
75 | }; | |
76 | const char * const buildid_cache_usage[] = { | |
77 | "perf buildid-cache [<options>]", | |
78 | NULL | |
79 | }; | |
80 | ||
81 | argc = parse_options(argc, argv, buildid_cache_options, | |
82 | buildid_cache_usage, 0); | |
83 | ||
84 | if (symbol__init() < 0) | |
85 | return -1; | |
86 | ||
87 | setup_pager(); | |
ef12a141 | 88 | |
45de34bb | 89 | snprintf(debugdir, sizeof(debugdir), "%s", buildid_dir); |
ef12a141 ACM |
90 | |
91 | if (add_name_list_str) { | |
92 | list = strlist__new(true, add_name_list_str); | |
93 | if (list) { | |
94 | strlist__for_each(pos, list) | |
95 | if (build_id_cache__add_file(pos->s, debugdir)) { | |
96 | if (errno == EEXIST) { | |
97 | pr_debug("%s already in the cache\n", | |
98 | pos->s); | |
99 | continue; | |
100 | } | |
101 | pr_warning("Couldn't add %s: %s\n", | |
102 | pos->s, strerror(errno)); | |
103 | } | |
104 | ||
105 | strlist__delete(list); | |
106 | } | |
107 | } | |
108 | ||
109 | if (remove_name_list_str) { | |
110 | list = strlist__new(true, remove_name_list_str); | |
111 | if (list) { | |
112 | strlist__for_each(pos, list) | |
113 | if (build_id_cache__remove_file(pos->s, debugdir)) { | |
114 | if (errno == ENOENT) { | |
115 | pr_debug("%s wasn't in the cache\n", | |
116 | pos->s); | |
117 | continue; | |
118 | } | |
119 | pr_warning("Couldn't remove %s: %s\n", | |
120 | pos->s, strerror(errno)); | |
121 | } | |
122 | ||
123 | strlist__delete(list); | |
124 | } | |
125 | } | |
126 | ||
127 | return 0; | |
128 | } |