From: David Sharp <dhsharp@google.com>
To: rostedt@goodmis.org, linux-kernel@vger.kernel.org
Cc: mrubin@google.com, David Sharp <dhsharp@google.com>
Subject: [PATCH 14/15] small_traces: Remove trace output of large fields.
Date: Fri, 3 Dec 2010 16:13:28 -0800 [thread overview]
Message-ID: <1291421609-14665-15-git-send-email-dhsharp@google.com> (raw)
In-Reply-To: <1291421609-14665-1-git-send-email-dhsharp@google.com>
Google-Bug-Id: 3224547
Signed-off-by: David Sharp <dhsharp@google.com>
---
kernel/trace/trace.c | 6 ++++++
kernel/trace/trace_output.c | 18 ++++++++++++++++++
2 files changed, 24 insertions(+), 0 deletions(-)
diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
index ed5c14f..177d4e5 100644
--- a/kernel/trace/trace.c
+++ b/kernel/trace/trace.c
@@ -1747,6 +1747,7 @@ static void s_stop(struct seq_file *m, void *p)
static void print_lat_help_header(struct seq_file *m)
{
+#ifndef CONFIG_SMALL_TRACES
seq_puts(m, "# _------=> CPU# \n");
seq_puts(m, "# / _-----=> irqs-off \n");
seq_puts(m, "# | / _----=> need-resched \n");
@@ -1756,6 +1757,11 @@ static void print_lat_help_header(struct seq_file *m)
seq_puts(m, "# |||||/ delay \n");
seq_puts(m, "# cmd pid |||||| time | caller \n");
seq_puts(m, "# \\ / |||||| \\ | / \n");
+#else
+ seq_puts(m, "# CPU# delay \n");
+ seq_puts(m, "# cmd pid | time | caller \n");
+ seq_puts(m, "# \\ / | \\ | / \n");
+#endif
}
static void print_func_help_header(struct seq_file *m)
diff --git a/kernel/trace/trace_output.c b/kernel/trace/trace_output.c
index 9e33b1f..d5d7575 100644
--- a/kernel/trace/trace_output.c
+++ b/kernel/trace/trace_output.c
@@ -531,6 +531,7 @@ seq_print_ip_sym(struct trace_seq *s, unsigned long ip, unsigned long sym_flags)
* Prints the generic fields of irqs off, in hard or softirq, preempt
* count and lock depth.
*/
+#ifndef CONFIG_SMALL_TRACES
int trace_print_lat_fmt(struct trace_seq *s, struct trace_entry *entry)
{
int ret;
@@ -566,6 +567,12 @@ int trace_print_lat_fmt(struct trace_seq *s, struct trace_entry *entry)
return trace_seq_printf(s, "%d", entry->lock_depth);
}
+#else
+int trace_print_lat_fmt(struct trace_seq *s, struct trace_entry *entry)
+{
+ return 1;
+}
+#endif
static int
lat_print_generic(struct trace_seq *s, struct trace_entry *entry, int cpu)
@@ -628,6 +635,7 @@ int trace_print_lat_context(struct trace_iterator *iter)
trace_find_cmdline(entry->pid, comm);
+#ifndef CONFIG_SMALL_TRACES
ret = trace_seq_printf(s, "%16s %5d %3d %d %08x %08lx [%08llx]"
" %ld.%03ldms (+%ld.%03ldms): ", comm,
entry->pid, iter->cpu, entry->flags,
@@ -637,6 +645,16 @@ int trace_print_lat_context(struct trace_iterator *iter)
abs_usecs % USEC_PER_MSEC,
rel_usecs / USEC_PER_MSEC,
rel_usecs % USEC_PER_MSEC);
+#else
+ ret = trace_seq_printf(s, "%16s %5d %3d %08lx [%08llx]"
+ " %ld.%03ldms (+%ld.%03ldms): ", comm,
+ entry->pid, iter->cpu, iter->idx,
+ ns2usecs(iter->ts),
+ abs_usecs / USEC_PER_MSEC,
+ abs_usecs % USEC_PER_MSEC,
+ rel_usecs / USEC_PER_MSEC,
+ rel_usecs % USEC_PER_MSEC);
+#endif
} else {
ret = lat_print_generic(s, entry, iter->cpu);
if (ret)
--
1.7.3.1
next prev parent reply other threads:[~2010-12-04 0:15 UTC|newest]
Thread overview: 74+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-12-04 0:13 [Patch 00/15] Reduce tracing payload size David Sharp
2010-12-04 0:13 ` [PATCH 01/15] tracing: Add a 'buffer_overwrite' debugfs file David Sharp
2010-12-04 1:57 ` Steven Rostedt
2010-12-08 20:15 ` David Sharp
2010-12-08 21:46 ` [PATCH] tracing: Add an 'overwrite' trace_option David Sharp
2010-12-14 0:39 ` David Sharp
2011-03-09 0:45 ` David Sharp
2011-03-11 9:45 ` [tip:perf/core] " tip-bot for David Sharp
2010-12-04 0:13 ` [PATCH 02/15] ring_buffer.c: Remove unused #include <linux/trace_irq.h> David Sharp
2011-03-11 9:46 ` [tip:perf/core] ring-buffer: " tip-bot for David Sharp
2010-12-04 0:13 ` [PATCH 03/15] ring_buffer: Align buffer_page struct allocations only to fit the flags David Sharp
2010-12-04 1:43 ` Steven Rostedt
2010-12-07 22:44 ` David Sharp
2010-12-04 0:13 ` [PATCH 04/15] ftrace: pack event structures David Sharp
2011-03-08 23:30 ` Steven Rostedt
2011-03-09 1:09 ` Steven Rostedt
2011-03-09 6:39 ` David Miller
2011-03-09 15:18 ` Steven Rostedt
2011-03-10 23:21 ` David Sharp
2011-03-11 3:37 ` Steven Rostedt
2011-03-09 13:01 ` Steven Rostedt
2010-12-04 0:13 ` [PATCH 05/15] ftrace: fix event alignment: ftrace:context_switch and ftrace:wakeup David Sharp
2011-03-11 9:48 ` [tip:perf/core] tracing: Fix " tip-bot for David Sharp
2010-12-04 0:13 ` [PATCH 06/15] ftrace: fix event alignment: module:module_request David Sharp
2010-12-04 1:47 ` Steven Rostedt
2010-12-06 1:28 ` Li Zefan
2011-03-11 9:48 ` [tip:perf/core] tracing: Fix " tip-bot for David Sharp
2010-12-04 0:13 ` [PATCH 07/15] ftrace: fix event alignment: kvm:kvm_hv_hypercall David Sharp
2010-12-04 1:49 ` Steven Rostedt
2010-12-04 8:11 ` Avi Kivity
2010-12-06 20:38 ` David Sharp
2010-12-07 9:22 ` Avi Kivity
2010-12-07 21:16 ` David Sharp
2010-12-08 9:18 ` Avi Kivity
2011-03-08 23:55 ` Steven Rostedt
2011-03-09 8:50 ` Avi Kivity
2011-03-09 12:54 ` Steven Rostedt
2011-03-09 13:01 ` Avi Kivity
2011-03-11 9:49 ` [tip:perf/core] tracing: Fix " tip-bot for David Sharp
2010-12-04 0:13 ` [PATCH 08/15] ftrace: fix event alignment: mce:mce_record David Sharp
2010-12-04 1:50 ` Steven Rostedt
2010-12-09 13:33 ` Frederic Weisbecker
2011-03-11 9:49 ` [tip:perf/core] tracing: Fix " tip-bot for David Sharp
2010-12-04 0:13 ` [PATCH 09/15] ftrace: fix event alignment: skb:kfree_skb David Sharp
2010-12-04 1:52 ` Steven Rostedt
2010-12-04 13:38 ` Neil Horman
2011-03-11 9:50 ` [tip:perf/core] tracing: Fix " tip-bot for David Sharp
2010-12-04 0:13 ` [PATCH 10/15] ftrace: fix event alignment: jbd2:* David Sharp
2010-12-04 1:52 ` Steven Rostedt
2011-03-09 0:03 ` Steven Rostedt
2011-03-09 0:31 ` Ted Ts'o
2011-03-09 0:41 ` Steven Rostedt
2010-12-04 0:13 ` [PATCH 11/15] ftrace: fix event alignment: ext4:* David Sharp
2010-12-04 1:53 ` Steven Rostedt
2011-03-09 0:04 ` Steven Rostedt
2010-12-04 0:13 ` [PATCH 12/15] trace_output.c: adjust conditional expression formatting David Sharp
2011-03-11 9:50 ` [tip:perf/core] tracing: Adjust conditional expression latency formatting tip-bot for David Sharp
2010-12-04 0:13 ` [PATCH 13/15] small_traces: Add config option to shrink trace events David Sharp
2010-12-04 1:56 ` Steven Rostedt
2010-12-04 2:33 ` David Sharp
2010-12-04 2:54 ` Steven Rostedt
2010-12-09 14:55 ` Frederic Weisbecker
2010-12-09 15:08 ` Steven Rostedt
2010-12-09 15:28 ` Frederic Weisbecker
2010-12-09 16:16 ` Mathieu Desnoyers
2011-03-09 0:23 ` Steven Rostedt
2010-12-04 0:13 ` David Sharp [this message]
2010-12-04 0:13 ` [PATCH 15/15] small_traces: Remove 8 bytes from trace_entry David Sharp
2010-12-06 13:22 ` [Patch 00/15] Reduce tracing payload size Andi Kleen
2010-12-06 13:56 ` Ted Ts'o
2010-12-06 14:58 ` Andi Kleen
2010-12-06 16:17 ` Steven Rostedt
2010-12-06 16:31 ` Miguel Ojeda
2010-12-06 16:41 ` Andi Kleen
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