perf machine: Add a kallsyms loading constructor
To reduce the boilerplate for searching for functions in the running kernel and modules. Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: David Ahern <dsahern@gmail.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Masami Hiramatsu <mhiramat@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Wang Nan <wangnan0@huawei.com> Link: http://lkml.kernel.org/n/tip-93iqzayafpaxaguoiwjqezgz@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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@ -87,6 +87,25 @@ out_delete:
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return NULL;
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return NULL;
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}
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}
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struct machine *machine__new_kallsyms(void)
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{
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struct machine *machine = machine__new_host();
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/*
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* FIXME:
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* 1) MAP__FUNCTION will go away when we stop loading separate maps for
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* functions and data objects.
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* 2) We should switch to machine__load_kallsyms(), i.e. not explicitely
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* ask for not using the kcore parsing code, once this one is fixed
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* to create a map per module.
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*/
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if (machine && __machine__load_kallsyms(machine, "/proc/kallsyms", MAP__FUNCTION, true) <= 0) {
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machine__delete(machine);
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machine = NULL;
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}
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return machine;
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}
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static void dsos__purge(struct dsos *dsos)
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static void dsos__purge(struct dsos *dsos)
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{
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{
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struct dso *pos, *n;
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struct dso *pos, *n;
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@ -129,6 +129,7 @@ char *machine__mmap_name(struct machine *machine, char *bf, size_t size);
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void machines__set_comm_exec(struct machines *machines, bool comm_exec);
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void machines__set_comm_exec(struct machines *machines, bool comm_exec);
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struct machine *machine__new_host(void);
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struct machine *machine__new_host(void);
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struct machine *machine__new_kallsyms(void);
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int machine__init(struct machine *machine, const char *root_dir, pid_t pid);
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int machine__init(struct machine *machine, const char *root_dir, pid_t pid);
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void machine__exit(struct machine *machine);
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void machine__exit(struct machine *machine);
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void machine__delete_threads(struct machine *machine);
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void machine__delete_threads(struct machine *machine);
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