From 958e46acc8e900e8569dd467c1af9b8d2d019394 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Sat, 09 Dec 2023 08:38:54 +0000
Subject: [PATCH] disable cpu isolcpus
---
kernel/kernel/trace/trace_event_perf.c | 13 +++++--------
1 files changed, 5 insertions(+), 8 deletions(-)
diff --git a/kernel/kernel/trace/trace_event_perf.c b/kernel/kernel/trace/trace_event_perf.c
index fb54fdc..0443dd6 100644
--- a/kernel/kernel/trace/trace_event_perf.c
+++ b/kernel/kernel/trace/trace_event_perf.c
@@ -299,7 +299,8 @@
#endif /* CONFIG_KPROBE_EVENTS */
#ifdef CONFIG_UPROBE_EVENTS
-int perf_uprobe_init(struct perf_event *p_event, bool is_retprobe)
+int perf_uprobe_init(struct perf_event *p_event,
+ unsigned long ref_ctr_offset, bool is_retprobe)
{
int ret;
char *path = NULL;
@@ -319,8 +320,8 @@
goto out;
}
- tp_event = create_local_trace_uprobe(
- path, p_event->attr.probe_offset, is_retprobe);
+ tp_event = create_local_trace_uprobe(path, p_event->attr.probe_offset,
+ ref_ctr_offset, is_retprobe);
if (IS_ERR(tp_event)) {
ret = PTR_ERR(tp_event);
goto out;
@@ -420,12 +421,8 @@
void perf_trace_buf_update(void *record, u16 type)
{
struct trace_entry *entry = record;
- int pc = preempt_count();
- unsigned long flags;
- local_save_flags(flags);
- tracing_generic_entry_update(entry, flags, pc);
- entry->type = type;
+ tracing_generic_entry_update(entry, type, tracing_gen_ctx());
}
NOKPROBE_SYMBOL(perf_trace_buf_update);
--
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