From 102a0743326a03cd1a1202ceda21e175b7d3575c Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Tue, 20 Feb 2024 01:20:52 +0000
Subject: [PATCH] add new system file
---
kernel/tools/perf/perf.c | 21 ++++++++++++++++++---
1 files changed, 18 insertions(+), 3 deletions(-)
diff --git a/kernel/tools/perf/perf.c b/kernel/tools/perf/perf.c
index 80f8ae8..505e2a2 100644
--- a/kernel/tools/perf/perf.c
+++ b/kernel/tools/perf/perf.c
@@ -1,4 +1,3 @@
-// SPDX-License-Identifier: GPL-2.0
/*
* perf.c
*
@@ -8,8 +7,12 @@
* perf top, perf record, perf report, etc.) are started.
*/
#include "builtin.h"
+#include "perf.h"
+#include "util/build-id.h"
+#include "util/cache.h"
#include "util/env.h"
+#include <internal/lib.h> // page_size
#include <subcmd/exec-cmd.h>
#include "util/config.h"
#include <subcmd/run-command.h>
@@ -18,8 +21,12 @@
#include "util/bpf-loader.h"
#include "util/debug.h"
#include "util/event.h"
+#include "util/util.h" // usage()
+#include "ui/ui.h"
+#include "perf-sys.h"
#include <api/fs/fs.h>
#include <api/fs/tracing_path.h>
+#include <perf/core.h>
#include <errno.h>
#include <pthread.h>
#include <signal.h>
@@ -29,6 +36,8 @@
#include <sys/stat.h>
#include <unistd.h>
#include <linux/kernel.h>
+#include <linux/string.h>
+#include <linux/zalloc.h>
const char perf_usage_string[] =
"perf [--version] [--help] [OPTIONS] COMMAND [ARGS]";
@@ -298,6 +307,7 @@
use_pager = 1;
commit_pager_choice();
+ perf_env__init(&perf_env);
perf_env__set_cmdline(&perf_env, argc, argv);
status = p->fn(argc, argv);
perf_config__exit();
@@ -420,6 +430,12 @@
pthread_sigmask(SIG_UNBLOCK, &set, NULL);
}
+static int libperf_print(enum libperf_print_level level,
+ const char *fmt, va_list ap)
+{
+ return veprintf(level, verbose, fmt, ap);
+}
+
int main(int argc, const char **argv)
{
int err;
@@ -430,8 +446,7 @@
exec_cmd_init("perf", PREFIX, PERF_EXEC_PATH, EXEC_PATH_ENVIRONMENT);
pager_init(PERF_PAGER_ENVIRONMENT);
- /* The page_size is placed in util object. */
- page_size = sysconf(_SC_PAGE_SIZE);
+ libperf_init(libperf_print);
cmd = extract_argv0_path(argv[0]);
if (!cmd)
--
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