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jason_yao
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1 parent 9a726c8 commit 01de64e

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‎debug_tool/ftrace/2010-aka-linux/Debugging Linux Kernel by Ftrace.odp‎

35.6 KB
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‎debug_tool/ftrace/2010-aka-linux/Debugging Linux Kernel by Ftrace.pdf‎

57.5 KB
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‎debug_tool/ftrace/2010-aka-linux/ftrace-clear‎

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#!/bin/sh
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DEBUGFS=`grep debugfs /proc/mounts | awk '{ print $2; }'`
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sudo su -c " \
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echo 0 > $DEBUGFS/tracing/tracing_on; \
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echo nop > $DEBUGFS/tracing/current_tracer; \
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echo 1 > $DEBUGFS/tracing/tracing_on;"
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‎debug_tool/ftrace/2010-aka-linux/ftrace-clear.html‎

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#!/bin/sh
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DEBUGFS=`grep debugfs /proc/mounts | awk '{ print $2; }'`
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sudo su -c " \
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echo 0 > $DEBUGFS/tracing/tracing_on; \
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echo nop > $DEBUGFS/tracing/current_tracer; \
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echo 1 > $DEBUGFS/tracing/tracing_on;"
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‎debug_tool/ftrace/2010-aka-linux/ftrace-me‎

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#!/bin/sh
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DEBUGFS=`grep debugfs /proc/mounts | awk '{ print $2; }'`
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sudo su -c " \
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echo 0 > $DEBUGFS/tracing/tracing_on; \
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echo $$ > $DEBUGFS/tracing/set_ftrace_pid; \
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echo function_graph > $DEBUGFS/tracing/current_tracer; \
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echo 1 > $DEBUGFS/tracing/tracing_on"
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exec $*
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sudo su -c "\
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echo -1 > $DEBUGFS/tracing/set_ftrace_pid; \
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echo 0 > $DEBUGFS/tracing/tracing_on"

‎debug_tool/ftrace/2010-aka-linux/ftrace-me.html‎

Lines changed: 11 additions & 0 deletions
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#!/bin/sh
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DEBUGFS=`grep debugfs /proc/mounts | awk '{ print $2; }'`
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sudo su -c " \
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echo 0 > $DEBUGFS/tracing/tracing_on; \
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echo $$ > $DEBUGFS/tracing/set_ftrace_pid; \
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echo function_graph > $DEBUGFS/tracing/current_tracer; \
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echo 1 > $DEBUGFS/tracing/tracing_on"
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exec $*
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sudo su -c "\
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echo -1 > $DEBUGFS/tracing/set_ftrace_pid; \
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echo 0 > $DEBUGFS/tracing/tracing_on"

‎debug_tool/ftrace/2010-aka-linux/ftrace-profile-show‎

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#!/bin/sh
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DEBUGFS=`grep debugfs /proc/mounts | awk '{ print $2; }'`
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idx="0"
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if [ "x$1" != "x" ] ; then
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idx="$1"
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fi
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cp $DEBUGFS/tracing/trace_stat/function$idx /tmp
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less /tmp/function$idx

‎debug_tool/ftrace/2010-aka-linux/ftrace-profile-show.html‎

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#!/bin/sh
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DEBUGFS=`grep debugfs /proc/mounts | awk '{ print $2; }'`
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idx="0"
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if [ "x$1" != "x" ] ; then
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idx="$1"
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fi
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cp $DEBUGFS/tracing/trace_stat/function$idx /tmp
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less /tmp/function$idx

‎debug_tool/ftrace/2010-aka-linux/ftrace-profile-start‎

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#!/bin/sh
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DEBUGFS=`grep debugfs /proc/mounts | awk '{ print $2; }'`
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sudo su -c " \
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echo nop > $DEBUGFS/tracing/current_tracer; \
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echo 0 > $DEBUGFS/tracing/function_profile_enabled; \
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echo 1 > $DEBUGFS/tracing/function_profile_enabled"

‎debug_tool/ftrace/2010-aka-linux/ftrace-profile-start.html‎

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#!/bin/sh
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DEBUGFS=`grep debugfs /proc/mounts | awk '{ print $2; }'`
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sudo su -c " \
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echo nop > $DEBUGFS/tracing/current_tracer; \
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echo 0 > $DEBUGFS/tracing/function_profile_enabled; \
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echo 1 > $DEBUGFS/tracing/function_profile_enabled"

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