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From: Steven Rostedt <rostedt@goodmis.org>
To: linux-kernel@vger.kernel.org
Cc: Ingo Molnar <mingo@kernel.org>,
	Andrew Morton <akpm@linux-foundation.org>,
	Masami Hiramatsu <mhiramat@kernel.org>,
	Tom Zanussi <tom.zanussi@linux.intel.com>,
	Tom Zanussi <zanussi@kernel.org>
Subject: [for-linus][PATCH 05/15] tracing: Have synthetic event test use raw_smp_processor_id()
Date: Mon, 24 Feb 2020 12:20:27 -0500	[thread overview]
Message-ID: <20200224172116.608333548@goodmis.org> (raw)
In-Reply-To: 20200224172022.330525468@goodmis.org

From: "Steven Rostedt (VMware)" <rostedt@goodmis.org>

The test code that tests synthetic event creation pushes in as one of its
test fields the current CPU using "smp_processor_id()". As this is just
something to see if the value is correctly passed in, and the actual CPU
used does not matter, use raw_smp_processor_id(), otherwise with debug
preemption enabled, a warning happens as the smp_processor_id() is called
without preemption enabled.

Link: http://lkml.kernel.org/r/20200220162950.35162579@gandalf.local.home

Reviewed-by: Tom Zanussi <zanussi@kernel.org>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
---
 kernel/trace/synth_event_gen_test.c | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/kernel/trace/synth_event_gen_test.c b/kernel/trace/synth_event_gen_test.c
index 6866280a9b10..7d56d621ffea 100644
--- a/kernel/trace/synth_event_gen_test.c
+++ b/kernel/trace/synth_event_gen_test.c
@@ -114,7 +114,7 @@ static int __init test_gen_synth_cmd(void)
 	vals[1] = (u64)(long)"hula hoops";	/* next_comm_field */
 	vals[2] = 1000000;		/* ts_ns */
 	vals[3] = 1000;			/* ts_ms */
-	vals[4] = smp_processor_id();	/* cpu */
+	vals[4] = raw_smp_processor_id(); /* cpu */
 	vals[5] = (u64)(long)"thneed";	/* my_string_field */
 	vals[6] = 598;			/* my_int_field */
 
@@ -221,7 +221,7 @@ static int __init test_empty_synth_event(void)
 	vals[1] = (u64)(long)"tiddlywinks";	/* next_comm_field */
 	vals[2] = 1000000;		/* ts_ns */
 	vals[3] = 1000;			/* ts_ms */
-	vals[4] = smp_processor_id();	/* cpu */
+	vals[4] = raw_smp_processor_id(); /* cpu */
 	vals[5] = (u64)(long)"thneed_2.0";	/* my_string_field */
 	vals[6] = 399;			/* my_int_field */
 
@@ -293,7 +293,7 @@ static int __init test_create_synth_event(void)
 	vals[1] = (u64)(long)"tiddlywinks";	/* next_comm_field */
 	vals[2] = 1000000;		/* ts_ns */
 	vals[3] = 1000;			/* ts_ms */
-	vals[4] = smp_processor_id();	/* cpu */
+	vals[4] = raw_smp_processor_id(); /* cpu */
 	vals[5] = (u64)(long)"thneed";	/* my_string_field */
 	vals[6] = 398;			/* my_int_field */
 
@@ -345,7 +345,7 @@ static int __init test_add_next_synth_val(void)
 		goto out;
 
 	/* cpu */
-	ret = synth_event_add_next_val(smp_processor_id(), &trace_state);
+	ret = synth_event_add_next_val(raw_smp_processor_id(), &trace_state);
 	if (ret)
 		goto out;
 
@@ -388,7 +388,7 @@ static int __init test_add_synth_val(void)
 	if (ret)
 		goto out;
 
-	ret = synth_event_add_val("cpu", smp_processor_id(), &trace_state);
+	ret = synth_event_add_val("cpu", raw_smp_processor_id(), &trace_state);
 	if (ret)
 		goto out;
 
@@ -427,7 +427,7 @@ static int __init test_trace_synth_event(void)
 				(u64)(long)"clackers",	/* next_comm_field */
 				(u64)1000000,		/* ts_ns */
 				(u64)1000,		/* ts_ms */
-				(u64)smp_processor_id(),/* cpu */
+				(u64)raw_smp_processor_id(), /* cpu */
 				(u64)(long)"Thneed",	/* my_string_field */
 				(u64)999);		/* my_int_field */
 	return ret;
-- 
2.25.0



  parent reply	other threads:[~2020-02-24 17:23 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-02-24 17:20 [for-linus][PATCH 00/15] tracing: Updates coming for 5.6 rc release Steven Rostedt
2020-02-24 17:20 ` [for-linus][PATCH 01/15] tracing: Make sure synth_event_trace() example always uses u64 Steven Rostedt
2020-02-24 17:20 ` [for-linus][PATCH 02/15] tracing: Make synth_event trace functions endian-correct Steven Rostedt
2020-02-24 17:20 ` [for-linus][PATCH 03/15] tracing: Check that number of vals matches number of synth event fields Steven Rostedt
2020-02-24 17:20 ` [for-linus][PATCH 04/15] tracing: Fix number printing bug in print_synth_event() Steven Rostedt
2020-02-24 17:20 ` Steven Rostedt [this message]
2020-02-24 17:20 ` [for-linus][PATCH 06/15] tracing: Disable trace_printk() on post poned tests Steven Rostedt
2020-02-24 17:20 ` [for-linus][PATCH 07/15] bootconfig: Mark boot_config_checksum() static Steven Rostedt
2020-02-24 17:20 ` [for-linus][PATCH 08/15] tracing: Clear trace_state when starting trace Steven Rostedt
2020-02-24 17:20 ` [for-linus][PATCH 09/15] bootconfig: Set CONFIG_BOOT_CONFIG=n by default Steven Rostedt
2020-02-24 17:20 ` [for-linus][PATCH 10/15] bootconfig: Add bootconfig magic word for indicating bootconfig explicitly Steven Rostedt
2020-02-24 17:20 ` [for-linus][PATCH 11/15] tools/bootconfig: Remove unneeded error message silencer Steven Rostedt
2020-02-24 17:20 ` [for-linus][PATCH 12/15] bootconfig: Reject subkey and value on same parent key Steven Rostedt
2020-02-24 17:20 ` [for-linus][PATCH 13/15] bootconfig: Print array as multiple commands for legacy command line Steven Rostedt
2020-02-24 17:20 ` [for-linus][PATCH 14/15] bootconfig: Prohibit re-defining value on same key Steven Rostedt
2020-02-24 17:20 ` [for-linus][PATCH 15/15] bootconfig: Add append value operator support Steven Rostedt

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