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-rw-r--r--kernel/trace/Kconfig2
-rw-r--r--kernel/trace/blktrace.c26
-rw-r--r--kernel/trace/fgraph.c22
-rw-r--r--kernel/trace/ftrace.c4
-rw-r--r--kernel/trace/trace.c14
-rw-r--r--kernel/trace/trace_events.c8
-rw-r--r--kernel/trace/trace_osnoise.c4
-rw-r--r--kernel/trace/trace_preemptirq.c4
-rw-r--r--kernel/trace/trace_sched_switch.c4
-rw-r--r--kernel/trace/trace_sched_wakeup.c4
10 files changed, 54 insertions, 38 deletions
diff --git a/kernel/trace/Kconfig b/kernel/trace/Kconfig
index 2c43e327a619..debbbb083286 100644
--- a/kernel/trace/Kconfig
+++ b/kernel/trace/Kconfig
@@ -144,6 +144,7 @@ config TRACING
select BINARY_PRINTF
select EVENT_TRACING
select TRACE_CLOCK
+ select TASKS_RCU if PREEMPTION
config GENERIC_TRACER
bool
@@ -728,6 +729,7 @@ config FTRACE_MCOUNT_USE_OBJTOOL
depends on !FTRACE_MCOUNT_USE_PATCHABLE_FUNCTION_ENTRY
depends on !FTRACE_MCOUNT_USE_CC
depends on FTRACE_MCOUNT_RECORD
+ select OBJTOOL
config FTRACE_MCOUNT_USE_RECORDMCOUNT
def_bool y
diff --git a/kernel/trace/blktrace.c b/kernel/trace/blktrace.c
index 4d5629196d01..10a32b0f2deb 100644
--- a/kernel/trace/blktrace.c
+++ b/kernel/trace/blktrace.c
@@ -145,13 +145,14 @@ static void trace_note_time(struct blk_trace *bt)
local_irq_restore(flags);
}
-void __trace_note_message(struct blk_trace *bt, struct blkcg *blkcg,
- const char *fmt, ...)
+void __blk_trace_note_message(struct blk_trace *bt,
+ struct cgroup_subsys_state *css, const char *fmt, ...)
{
int n;
va_list args;
unsigned long flags;
char *buf;
+ u64 cgid = 0;
if (unlikely(bt->trace_state != Blktrace_running &&
!blk_tracer_enabled))
@@ -170,17 +171,16 @@ void __trace_note_message(struct blk_trace *bt, struct blkcg *blkcg,
n = vscnprintf(buf, BLK_TN_MAX_MSG, fmt, args);
va_end(args);
- if (!(blk_tracer_flags.val & TRACE_BLK_OPT_CGROUP))
- blkcg = NULL;
#ifdef CONFIG_BLK_CGROUP
- trace_note(bt, current->pid, BLK_TN_MESSAGE, buf, n,
- blkcg ? cgroup_id(blkcg->css.cgroup) : 1);
-#else
- trace_note(bt, current->pid, BLK_TN_MESSAGE, buf, n, 0);
+ if (css && (blk_tracer_flags.val & TRACE_BLK_OPT_CGROUP))
+ cgid = cgroup_id(css->cgroup);
+ else
+ cgid = 1;
#endif
+ trace_note(bt, current->pid, BLK_TN_MESSAGE, buf, n, cgid);
local_irq_restore(flags);
}
-EXPORT_SYMBOL_GPL(__trace_note_message);
+EXPORT_SYMBOL_GPL(__blk_trace_note_message);
static int act_log_check(struct blk_trace *bt, u32 what, sector_t sector,
pid_t pid)
@@ -411,7 +411,7 @@ static ssize_t blk_msg_write(struct file *filp, const char __user *buffer,
return PTR_ERR(msg);
bt = filp->private_data;
- __trace_note_message(bt, NULL, "%s", msg);
+ __blk_trace_note_message(bt, NULL, "%s", msg);
kfree(msg);
return count;
@@ -783,6 +783,7 @@ void blk_trace_shutdown(struct request_queue *q)
#ifdef CONFIG_BLK_CGROUP
static u64 blk_trace_bio_get_cgid(struct request_queue *q, struct bio *bio)
{
+ struct cgroup_subsys_state *blkcg_css;
struct blk_trace *bt;
/* We don't use the 'bt' value here except as an optimization... */
@@ -790,9 +791,10 @@ static u64 blk_trace_bio_get_cgid(struct request_queue *q, struct bio *bio)
if (!bt || !(blk_tracer_flags.val & TRACE_BLK_OPT_CGROUP))
return 0;
- if (!bio->bi_blkg)
+ blkcg_css = bio_blkcg_css(bio);
+ if (!blkcg_css)
return 0;
- return cgroup_id(bio_blkcg(bio)->css.cgroup);
+ return cgroup_id(blkcg_css->cgroup);
}
#else
static u64 blk_trace_bio_get_cgid(struct request_queue *q, struct bio *bio)
diff --git a/kernel/trace/fgraph.c b/kernel/trace/fgraph.c
index 8f4fb328133a..3fd5284f6487 100644
--- a/kernel/trace/fgraph.c
+++ b/kernel/trace/fgraph.c
@@ -30,6 +30,24 @@ int ftrace_graph_active;
/* Both enabled by default (can be cleared by function_graph tracer flags */
static bool fgraph_sleep_time = true;
+/*
+ * archs can override this function if they must do something
+ * to enable hook for graph tracer.
+ */
+int __weak ftrace_enable_ftrace_graph_caller(void)
+{
+ return 0;
+}
+
+/*
+ * archs can override this function if they must do something
+ * to disable hook for graph tracer.
+ */
+int __weak ftrace_disable_ftrace_graph_caller(void)
+{
+ return 0;
+}
+
/**
* ftrace_graph_stop - set to permanently disable function graph tracing
*
@@ -404,9 +422,9 @@ free:
static void
ftrace_graph_probe_sched_switch(void *ignore, bool preempt,
- unsigned int prev_state,
struct task_struct *prev,
- struct task_struct *next)
+ struct task_struct *next,
+ unsigned int prev_state)
{
unsigned long long timestamp;
int index;
diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c
index 4f1d2f5e7263..af899b058c8d 100644
--- a/kernel/trace/ftrace.c
+++ b/kernel/trace/ftrace.c
@@ -7420,9 +7420,9 @@ ftrace_func_t ftrace_ops_get_func(struct ftrace_ops *ops)
static void
ftrace_filter_pid_sched_switch_probe(void *data, bool preempt,
- unsigned int prev_state,
struct task_struct *prev,
- struct task_struct *next)
+ struct task_struct *next,
+ unsigned int prev_state)
{
struct trace_array *tr = data;
struct trace_pid_list *pid_list;
diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
index f4de111fa18f..124f1897fd56 100644
--- a/kernel/trace/trace.c
+++ b/kernel/trace/trace.c
@@ -4289,17 +4289,11 @@ print_trace_header(struct seq_file *m, struct trace_iterator *iter)
entries,
total,
buf->cpu,
-#if defined(CONFIG_PREEMPT_NONE)
- "server",
-#elif defined(CONFIG_PREEMPT_VOLUNTARY)
- "desktop",
-#elif defined(CONFIG_PREEMPT)
- "preempt",
-#elif defined(CONFIG_PREEMPT_RT)
- "preempt_rt",
-#else
+ preempt_model_none() ? "server" :
+ preempt_model_voluntary() ? "desktop" :
+ preempt_model_full() ? "preempt" :
+ preempt_model_rt() ? "preempt_rt" :
"unknown",
-#endif
/* These are reserved for later use */
0, 0, 0, 0);
#ifdef CONFIG_SMP
diff --git a/kernel/trace/trace_events.c b/kernel/trace/trace_events.c
index e11e167b7809..f97de82d1342 100644
--- a/kernel/trace/trace_events.c
+++ b/kernel/trace/trace_events.c
@@ -773,9 +773,9 @@ void trace_event_follow_fork(struct trace_array *tr, bool enable)
static void
event_filter_pid_sched_switch_probe_pre(void *data, bool preempt,
- unsigned int prev_state,
struct task_struct *prev,
- struct task_struct *next)
+ struct task_struct *next,
+ unsigned int prev_state)
{
struct trace_array *tr = data;
struct trace_pid_list *no_pid_list;
@@ -799,9 +799,9 @@ event_filter_pid_sched_switch_probe_pre(void *data, bool preempt,
static void
event_filter_pid_sched_switch_probe_post(void *data, bool preempt,
- unsigned int prev_state,
struct task_struct *prev,
- struct task_struct *next)
+ struct task_struct *next,
+ unsigned int prev_state)
{
struct trace_array *tr = data;
struct trace_pid_list *no_pid_list;
diff --git a/kernel/trace/trace_osnoise.c b/kernel/trace/trace_osnoise.c
index e9ae1f33a7f0..afb92e2f0aea 100644
--- a/kernel/trace/trace_osnoise.c
+++ b/kernel/trace/trace_osnoise.c
@@ -1168,9 +1168,9 @@ thread_exit(struct osnoise_variables *osn_var, struct task_struct *t)
*/
static void
trace_sched_switch_callback(void *data, bool preempt,
- unsigned int prev_state,
struct task_struct *p,
- struct task_struct *n)
+ struct task_struct *n,
+ unsigned int prev_state)
{
struct osnoise_variables *osn_var = this_cpu_osn_var();
diff --git a/kernel/trace/trace_preemptirq.c b/kernel/trace/trace_preemptirq.c
index f4938040c228..95b58bd757ce 100644
--- a/kernel/trace/trace_preemptirq.c
+++ b/kernel/trace/trace_preemptirq.c
@@ -46,7 +46,7 @@ void trace_hardirqs_on(void)
this_cpu_write(tracing_irq_cpu, 0);
}
- lockdep_hardirqs_on_prepare(CALLER_ADDR0);
+ lockdep_hardirqs_on_prepare();
lockdep_hardirqs_on(CALLER_ADDR0);
}
EXPORT_SYMBOL(trace_hardirqs_on);
@@ -94,7 +94,7 @@ __visible void trace_hardirqs_on_caller(unsigned long caller_addr)
this_cpu_write(tracing_irq_cpu, 0);
}
- lockdep_hardirqs_on_prepare(CALLER_ADDR0);
+ lockdep_hardirqs_on_prepare();
lockdep_hardirqs_on(CALLER_ADDR0);
}
EXPORT_SYMBOL(trace_hardirqs_on_caller);
diff --git a/kernel/trace/trace_sched_switch.c b/kernel/trace/trace_sched_switch.c
index 45796d8bd4b2..c9ffdcfe622e 100644
--- a/kernel/trace/trace_sched_switch.c
+++ b/kernel/trace/trace_sched_switch.c
@@ -22,8 +22,8 @@ static DEFINE_MUTEX(sched_register_mutex);
static void
probe_sched_switch(void *ignore, bool preempt,
- unsigned int prev_state,
- struct task_struct *prev, struct task_struct *next)
+ struct task_struct *prev, struct task_struct *next,
+ unsigned int prev_state)
{
int flags;
diff --git a/kernel/trace/trace_sched_wakeup.c b/kernel/trace/trace_sched_wakeup.c
index 46429f9a96fa..330aee1c1a49 100644
--- a/kernel/trace/trace_sched_wakeup.c
+++ b/kernel/trace/trace_sched_wakeup.c
@@ -426,8 +426,8 @@ tracing_sched_wakeup_trace(struct trace_array *tr,
static void notrace
probe_wakeup_sched_switch(void *ignore, bool preempt,
- unsigned int prev_state,
- struct task_struct *prev, struct task_struct *next)
+ struct task_struct *prev, struct task_struct *next,
+ unsigned int prev_state)
{
struct trace_array_cpu *data;
u64 T0, T1, delta;
generated by cgit v1.2.3 (git 2.39.0) at 2025-02-18 17:54:52 +0300