linux-kernel - Merge ftrace data of host and guest

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Message-ID: <CAGfiMvCLgdaACWuUJAWecaLP9cSZRLFzzWgNGoiZTidT9m60cg@mail.gmail.com>
Date:	Fri, 19 Dec 2014 17:52:52 +0530
From:	Divya Vyas <edivya.vyas@...il.com>
To:	LKML <linux-kernel@...r.kernel.org>
Subject: Merge ftrace data of host and guest

Hi,

I am adding trace data of host and guest using trace-merge script .

https://15351300108708232970.googlegroups.com/attach/66533d7b41eed0b/trace-merge.pl?part=0.1&view=1&vt=ANaJVrHKDEwmNeLGDINH0B5Ud4OIUrfQ2_2w2jo08nJujH7Oc9facKD3ckT2RbCiHkRAfnYxmZnBF7qi0SeMZr2IMsPBDNjgrYkblCRkmgSk2PryLVsGe5g

guest data

qemu-kvm-2687  [003] d...50550079203669: kvm_exit: [detail]
qemu-kvm-2687  [003] d...50550079206816: kvm_entry: [detail]
qemu-kvm-2687  [003] d...50550079240656: kvm_exit: [detail]
qemu-kvm-2687  [003] d...50550079243467: kvm_entry: [detail]
qemu-kvm-2687  [003] d...50550079256103: kvm_exit: [detail]
qemu-kvm-2687  [003] d...50550079268391: kvm_entry: [detail]
qemu-kvm-2687  [003] d...50550079280829: kvm_exit: [detail]
qemu-kvm-2687  [003] d...50550079286028: kvm_entry: [detail]

host data

comm-3826  [000] d...49836825726903: sched_wakeup: [detail]
comm-3826  [000] d...49836832225344: sched_switch: [detail]
~


Data after merging :

/opt/trace-merge/trace-merge 18446739773557710924 host.data guest.data

hcomm-3826  [000] d...49836825726903: sched_wakeup: [detail]
hcomm-3826  [000] d...49836832225344: sched_switch: [detail]
gqemu-kvm-2687  [003] d...54850231044361: kvm_exit: [detail]
gqemu-kvm-2687  [003] d...54850231047508: kvm_entry: [detail]
gqemu-kvm-2687  [003] d...54850231081348: kvm_exit: [detail]
gqemu-kvm-2687  [003] d...54850231084159: kvm_entry: [detail]
gqemu-kvm-2687  [003] d...54850231096795: kvm_exit: [detail]
gqemu-kvm-2687  [003] d...54850231109083: kvm_entry: [detail]
gqemu-kvm-2687  [003] d...54850231121521: kvm_exit: [detail]
gqemu-kvm-2687  [003] d...54850231126720: kvm_entry: [detail]

I think it is not desired output . Ths script is written for diffrent
format .ftrace format is ( trace-cmd report command generates) :

version = 6
CPU 0 is empty
cpus=2
          <idle>-0     [001]  4401.096833: netif_receive_skb:
dev=eth0 skbaddr=0xffff88001ed8fc00 len=84
          <idle>-0     [001]  4401.096899: net_dev_queue:
dev=eth0 skbaddr=0xffff88001a9fe000 len=98
          <idle>-0     [001]  4401.096935: net_dev_xmit:
dev=eth0 skbaddr=0xffff88001a9fe000 len=98 rc=0
          <idle>-0     [001]  4401.097277: netif_receive_skb:
dev=eth0 skbaddr=0xffff88001a9fe800 len=84
          <idle>-0     [001]  4401.097309: net_dev_queue:
dev=eth0 skbaddr=0xffff88001a9fea00 len=98
          <idle>-0     [001]  4401.097325: net_dev_xmit:
dev=eth0 skbaddr=0xffff88001a9fea00 len=98 rc=0
          <idle>-0     [001]  4401.097570: netif_receive_skb:
dev=eth0 skbaddr=0xffff88001a9fe800 len=84
          <idle>-0     [001]  4401.097592: net_dev_queue:
dev=eth0 skbaddr=0xffff88001a9fe000 len=98
          <idle>-0     [001]  4401.097607: net_dev_xmit:
dev=eth0 skbaddr=0xffff88001a9fe000 len=98 rc=0
          <idle>-0     [001]  4401.097830: netif_receive_skb:
dev=eth0 skbaddr=0xffff88001a9fe800 len=84
          <idle>-0     [001]  4401.097843: net_dev_queue:
dev=eth0 skbaddr=0xffff88001a9fea00 len=98


Can you let me know I there is any other method to merge the traces or
any further changes in the script
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