linux/tools/perf/util/cache.h
Ian Rogers 370ce164de perf path: Make mkpath thread safe, remove 16384 bytes from .bss
Avoid 4 static arrays for paths, pass in a char[] buffer to use. Makes
mkpath thread safe for the small number of users. Also removes 16,384
bytes from .bss.

Signed-off-by: Ian Rogers <irogers@google.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: K Prateek Nayak <kprateek.nayak@amd.com>
Cc: Kan Liang <kan.liang@linux.intel.com>
Cc: Leo Yan <leo.yan@linaro.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Ravi Bangoria <ravi.bangoria@amd.com>
Cc: Ross Zwisler <zwisler@chromium.org>
Cc: Sean Christopherson <seanjc@google.com>
Cc: Steven Rostedt (VMware) <rostedt@goodmis.org>
Cc: Tiezhu Yang <yangtiezhu@loongson.cn>
Cc: Yang Jihong <yangjihong1@huawei.com>
Link: https://lore.kernel.org/r/20230526183401.2326121-13-irogers@google.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2023-05-28 10:24:14 -03:00

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764 B
C

/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __PERF_CACHE_H
#define __PERF_CACHE_H
#include "strbuf.h"
#include <subcmd/pager.h>
#include "../ui/ui.h"
#include <linux/compiler.h>
#include <linux/string.h>
#define CMD_EXEC_PATH "--exec-path"
#define CMD_DEBUGFS_DIR "--debugfs-dir="
#define EXEC_PATH_ENVIRONMENT "PERF_EXEC_PATH"
#define PERF_DEBUGFS_ENVIRONMENT "PERF_DEBUGFS_DIR"
#define PERF_TRACEFS_ENVIRONMENT "PERF_TRACEFS_DIR"
#define PERF_PAGER_ENVIRONMENT "PERF_PAGER"
int split_cmdline(char *cmdline, const char ***argv);
#define alloc_nr(x) (((x)+16)*3/2)
static inline int is_absolute_path(const char *path)
{
return path[0] == '/';
}
char *mkpath(char *path_buf, size_t sz, const char *fmt, ...) __printf(3, 4);
#endif /* __PERF_CACHE_H */