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1 | #excluding core markers (already connected) |
2 | #excluding locking markers (high traffic) |
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3 | |
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4 | echo Connecting all markers |
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5 | MARKERS=`cat /proc/ltt|grep -v %k|awk '{print $2 " " $4}'|sort -u|grep -v ^metadata|grep -v ^locking|grep -v ^lockdep` |
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6 | |
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7 | #separator is newline, ensure compatibility with bash and ash |
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8 | N=" |
9 | " |
10 | |
11 | IFS=${N} |
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12 | for a in $MARKERS; do |
13 | echo Connecting $a |
14 | |
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15 | echo "connect $a default" > /proc/ltt |
16 | # #redirect markers carrying state information to dedicated channels |
17 | # case $a in |
18 | # list_process_state|list_file_descriptor|user_generic_thread_brand|fs_exec|kernel_process_fork|kernel_process_free|kernel_process_exit|kernel_arch_kthread_create|list_statedump_end|list_vm_map) |
19 | # CHANNEL=processes |
20 | # ;; |
21 | # list_interrupt|statedump_idt_table|statedump_sys_call_table|statedump_softirq_vec) |
22 | # CHANNEL=interrupts |
23 | # ;; |
24 | # list_network_ipv4_interface|list_network_ip_interface) |
25 | # CHANNEL=network |
26 | # ;; |
27 | # list_module|kernel_module_load|kernel_module_free) |
28 | # CHANNEL=modules |
29 | # ;; |
30 | # *) |
31 | # CHANNEL= |
32 | # ;; |
33 | # esac |
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34 | |
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35 | done |
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36 | |
37 | |
38 | # Connect the interesting high-speed markers to the marker tap. |
39 | # Markers starting with "tap_" are considered high-speed. |
40 | echo Connecting high-rate markers to tap |
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41 | MARKERS=`cat /proc/ltt|grep -v %k|awk '{print $2}'|sort -u |grep ^tap_` |
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42 | |
43 | #Uncomment the following to also record lockdep events. |
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44 | #MARKERS=`cat /proc/ltt|grep -v %k|awk '{print $2}'|sort -u|grep -e ^tap_ -e ^lockdep` |
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45 | |
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46 | IFS=${N} |
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47 | for a in $MARKERS; do |
48 | echo Connecting $a |
49 | |
50 | #redirect markers carrying state information to dedicated channels |
51 | case $a in |
52 | *) |
53 | CHANNEL= |
54 | ;; |
55 | esac |
56 | |
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57 | echo "connect $a ltt_tap_marker" > /proc/ltt |
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58 | done |