From e3e12f52b214121840b44c91de5b3e5af5d3eb84 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Mon, 06 Nov 2023 03:04:41 +0000
Subject: [PATCH] rk3568 rt init
---
kernel/kernel/trace/trace.c | 37 +++++++++++++++++++++++--------------
1 files changed, 23 insertions(+), 14 deletions(-)
diff --git a/kernel/kernel/trace/trace.c b/kernel/kernel/trace/trace.c
index 19a6b08..ead2e09 100644
--- a/kernel/kernel/trace/trace.c
+++ b/kernel/kernel/trace/trace.c
@@ -2151,6 +2151,7 @@
struct task_struct *tsk = current;
entry->preempt_count = pc & 0xff;
+ entry->preempt_lazy_count = preempt_lazy_count();
entry->pid = (tsk) ? tsk->pid : 0;
entry->flags =
#ifdef CONFIG_TRACE_IRQFLAGS_SUPPORT
@@ -2161,8 +2162,11 @@
((pc & NMI_MASK ) ? TRACE_FLAG_NMI : 0) |
((pc & HARDIRQ_MASK) ? TRACE_FLAG_HARDIRQ : 0) |
((pc & SOFTIRQ_OFFSET) ? TRACE_FLAG_SOFTIRQ : 0) |
- (tif_need_resched() ? TRACE_FLAG_NEED_RESCHED : 0) |
+ (tif_need_resched_now() ? TRACE_FLAG_NEED_RESCHED : 0) |
+ (need_resched_lazy() ? TRACE_FLAG_NEED_RESCHED_LAZY : 0) |
(test_preempt_need_resched() ? TRACE_FLAG_PREEMPT_RESCHED : 0);
+
+ entry->migrate_disable = (tsk) ? __migrate_disabled(tsk) & 0xFF : 0;
}
EXPORT_SYMBOL_GPL(tracing_generic_entry_update);
@@ -3360,14 +3364,17 @@
static void print_lat_help_header(struct seq_file *m)
{
- seq_puts(m, "# _------=> CPU# \n"
- "# / _-----=> irqs-off \n"
- "# | / _----=> need-resched \n"
- "# || / _---=> hardirq/softirq \n"
- "# ||| / _--=> preempt-depth \n"
- "# |||| / delay \n"
- "# cmd pid ||||| time | caller \n"
- "# \\ / ||||| \\ | / \n");
+ seq_puts(m, "# _--------=> CPU# \n"
+ "# / _-------=> irqs-off \n"
+ "# | / _------=> need-resched \n"
+ "# || / _-----=> need-resched_lazy \n"
+ "# ||| / _----=> hardirq/softirq \n"
+ "# |||| / _---=> preempt-depth \n"
+ "# ||||| / _--=> preempt-lazy-depth\n"
+ "# |||||| / _-=> migrate-disable \n"
+ "# ||||||| / delay \n"
+ "# cmd pid |||||||| time | caller \n"
+ "# \\ / |||||||| \\ | / \n");
}
static void print_event_info(struct trace_buffer *buf, struct seq_file *m)
@@ -3405,15 +3412,17 @@
tgid ? tgid_space : space);
seq_printf(m, "# %s / _----=> need-resched\n",
tgid ? tgid_space : space);
- seq_printf(m, "# %s| / _---=> hardirq/softirq\n",
+ seq_printf(m, "# %s| / _---=> need-resched_lazy\n",
tgid ? tgid_space : space);
- seq_printf(m, "# %s|| / _--=> preempt-depth\n",
+ seq_printf(m, "# %s|| / _--=> hardirq/softirq\n",
tgid ? tgid_space : space);
- seq_printf(m, "# %s||| / delay\n",
+ seq_printf(m, "# %s||| / preempt-depth\n",
tgid ? tgid_space : space);
- seq_printf(m, "# TASK-PID %sCPU# |||| TIMESTAMP FUNCTION\n",
+ seq_printf(m, "# %s|||| / delay\n",
+ tgid ? tgid_space : space);
+ seq_printf(m, "# TASK-PID %sCPU# ||||| TIMESTAMP FUNCTION\n",
tgid ? " TGID " : space);
- seq_printf(m, "# | | %s | |||| | |\n",
+ seq_printf(m, "# | | %s | ||||| | |\n",
tgid ? " | " : space);
}
--
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