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author | Ingo Molnar <mingo@kernel.org> | 2018-04-12 09:42:34 +0200 |
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committer | Ingo Molnar <mingo@kernel.org> | 2018-04-12 09:42:34 +0200 |
commit | ef389b734691cdc8beb009dd402135dcdcb86a56 (patch) | |
tree | 9523a37db93cb7c7874a5f18b4d9a7014898b814 /tools/perf/util/symbol.c | |
parent | x86/apic: Fix signedness bug in APIC ID validity checks (diff) | |
parent | syscalls/x86: Adapt syscall_wrapper.h to the new syscall stub naming convention (diff) | |
download | linux-ef389b734691cdc8beb009dd402135dcdcb86a56.tar.xz linux-ef389b734691cdc8beb009dd402135dcdcb86a56.zip |
Merge branch 'WIP.x86/asm' into x86/urgent, because the topic is ready
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'tools/perf/util/symbol.c')
-rw-r--r-- | tools/perf/util/symbol.c | 35 |
1 files changed, 27 insertions, 8 deletions
diff --git a/tools/perf/util/symbol.c b/tools/perf/util/symbol.c index cc065d4bfafc..62b2dd2253eb 100644 --- a/tools/perf/util/symbol.c +++ b/tools/perf/util/symbol.c @@ -1582,7 +1582,7 @@ int dso__load(struct dso *dso, struct map *map) bool next_slot = false; bool is_reg; bool nsexit; - int sirc; + int sirc = -1; enum dso_binary_type symtab_type = binary_type_symtab[i]; @@ -1600,16 +1600,14 @@ int dso__load(struct dso *dso, struct map *map) nsinfo__mountns_exit(&nsc); is_reg = is_regular_file(name); - sirc = symsrc__init(ss, dso, name, symtab_type); + if (is_reg) + sirc = symsrc__init(ss, dso, name, symtab_type); if (nsexit) nsinfo__mountns_enter(dso->nsinfo, &nsc); - if (!is_reg || sirc < 0) { - if (sirc >= 0) - symsrc__destroy(ss); + if (!is_reg || sirc < 0) continue; - } if (!syms_ss && symsrc__has_symtab(ss)) { syms_ss = ss; @@ -1960,8 +1958,7 @@ static int dso__load_guest_kernel_sym(struct dso *dso, struct map *map) pr_debug("Using %s for symbols\n", kallsyms_filename); if (err > 0 && !dso__is_kcore(dso)) { dso->binary_type = DSO_BINARY_TYPE__GUEST_KALLSYMS; - machine__mmap_name(machine, path, sizeof(path)); - dso__set_long_name(dso, strdup(path), true); + dso__set_long_name(dso, machine->mmap_name, false); map__fixup_start(map); map__fixup_end(map); } @@ -2224,3 +2221,25 @@ int symbol__config_symfs(const struct option *opt __maybe_unused, free(bf); return 0; } + +struct mem_info *mem_info__get(struct mem_info *mi) +{ + if (mi) + refcount_inc(&mi->refcnt); + return mi; +} + +void mem_info__put(struct mem_info *mi) +{ + if (mi && refcount_dec_and_test(&mi->refcnt)) + free(mi); +} + +struct mem_info *mem_info__new(void) +{ + struct mem_info *mi = zalloc(sizeof(*mi)); + + if (mi) + refcount_set(&mi->refcnt, 1); + return mi; +} |