Thank you, but please submit the patch upstream first. We're tightening the
policy on Pending patches.

Alex

On Fri, 10 Dec 2021 at 03:16, Yu, Mingli <[email protected]> wrote:

> From: Mingli Yu <[email protected]>
>
> When boot with "init=/sbin/bootchartd" as below:
>  # runqemu qemux86 bootparams="init=/sbin/bootchartd"
>
> There are two bootchartd process after boot [1].
>  # ps -ef | grep bootchart
> root       101     1  0 03:27 ?        00:00:00 /bin/sh /sbin/bootchartd
> root       103   101  8 03:27 ?        00:00:02
> /lib64/bootchart/bootchart-collector 50
> root       106     1  0 03:27 ?        00:00:00 /bin/sh /sbin/bootchartd
> root       792   106  0 03:27 ?        00:00:00
> /lib64/bootchart/bootchart-collector --usleep 1000000
> root       794   725  0 03:27 ttyS0    00:00:00 grep bootchart
>
>  # /sbin/bootchartd stop
> [bootchart] bootchart-collector started as pid 596 with 2 args:
> [bootchart] '--dump'
> [bootchart] '/tmp/bootchart.3lXpVDAq3v'
> [bootchart] Extracting profile data from pid 204
> [bootchart] map 0xbed9a000 -> 0xbedbb000 size: 132k from 'bed9a000'
> 'bedbb000'
> [bootchart] read 135168 bytes of 135168
> [bootchart] reading 150 chunks (of 150) ...
> [bootchart] wrote 18760 kbB
> [bootchart] bootchart-collector pid: 596 unmounted proc / clean exit
>
> But there still one process exist after the above stop command finish.
>  # ps -ef | grep bootchartd
> root 202 1 0 09:09 ? 00:00:00 /bin/sh /sbin/bootchartd
> root 629 516 0 09:10 ? 00:00:00 grep bootchartd
>
> Remove the wait_boot which used to wait the boot process to finish to
> make sure only one bootchartd process and meanwhile we don't need the
> wait_boot logic because we either use "/sbin/bootchartd stop" to stop
> the bootchartd manually or install package bootchartd-stop-initscript
> altogether with bootchart2 to stop bootchartd automatically after boot.
>
> After patch:
>  # ps -ef | grep bootchart
>  root       101     1  0 03:36 ?        00:00:00 /bin/sh /sbin/bootchartd
>  root       103   101  6 03:36 ?        00:00:04
> /lib64/bootchart/bootchart-collector 50
>  root       596   592  0 03:37 ttyS0    00:00:00 grep bootchart
>
> [1] https://github.com/xrmx/bootchart/issues/94
>
> Signed-off-by: Mingli Yu <[email protected]>
> ---
>  ...ake-sure-only-one-bootchartd-process.patch | 68 +++++++++++++++++++
>  .../bootchart2/bootchart2_0.14.9.bb           |  1 +
>  2 files changed, 69 insertions(+)
>  create mode 100644
> meta/recipes-devtools/bootchart2/bootchart2/0001-bootchartd.in-make-sure-only-one-bootchartd-process.patch
>
> diff --git
> a/meta/recipes-devtools/bootchart2/bootchart2/0001-bootchartd.in-make-sure-only-one-bootchartd-process.patch
> b/meta/recipes-devtools/bootchart2/bootchart2/0001-bootchartd.in-make-sure-only-one-bootchartd-process.patch
> new file mode 100644
> index 0000000000..0d6c20c47c
> --- /dev/null
> +++
> b/meta/recipes-devtools/bootchart2/bootchart2/0001-bootchartd.in-make-sure-only-one-bootchartd-process.patch
> @@ -0,0 +1,68 @@
> +From 988ca784d4840c87509e770a21d5d22105af8668 Mon Sep 17 00:00:00 2001
> +From: Mingli Yu <[email protected]>
> +Date: Fri, 5 Nov 2021 11:18:07 +0800
> +Subject: [PATCH] bootchartd.in: make sure only one bootchartd process
> +
> +When boot with "init=/sbin/bootchartd" as below:
> + # runqemu qemux86 bootparams="init=/sbin/bootchartd"
> +
> +There are two bootchartd process after boot [1].
> + # ps -ef | grep bootchart
> +root       101     1  0 03:27 ?        00:00:00 /bin/sh /sbin/bootchartd
> +root       103   101  8 03:27 ?        00:00:02
> /lib64/bootchart/bootchart-collector 50
> +root       106     1  0 03:27 ?        00:00:00 /bin/sh /sbin/bootchartd
> +root       792   106  0 03:27 ?        00:00:00
> /lib64/bootchart/bootchart-collector --usleep 1000000
> +root       794   725  0 03:27 ttyS0    00:00:00 grep bootchart
> +
> + # /sbin/bootchartd stop
> +[bootchart] bootchart-collector started as pid 596 with 2 args:
> +[bootchart] '--dump'
> +[bootchart] '/tmp/bootchart.3lXpVDAq3v'
> +[bootchart] Extracting profile data from pid 204
> +[bootchart] map 0xbed9a000 -> 0xbedbb000 size: 132k from 'bed9a000'
> 'bedbb000'
> +[bootchart] read 135168 bytes of 135168
> +[bootchart] reading 150 chunks (of 150) ...
> +[bootchart] wrote 18760 kbB
> +[bootchart] bootchart-collector pid: 596 unmounted proc / clean exit
> +
> +But there still one process exist after the above stop command finish.
> + # ps -ef | grep bootchartd
> +root 202 1 0 09:09 ? 00:00:00 /bin/sh /sbin/bootchartd
> +root 629 516 0 09:10 ? 00:00:00 grep bootchartd
> +
> +Remove the wait_boot which used to wait the boot process to finish to
> +make sure only one bootchartd process and meanwhile we don't need the
> +wait_boot logic because we either use "/sbin/bootchartd stop" to stop
> +the bootchartd manually or install package bootchartd-stop-initscript
> +altogether with bootchart2 to stop bootchartd automatically after boot.
> +
> +After patch:
> + # ps -ef | grep bootchart
> + root       101     1  0 03:36 ?        00:00:00 /bin/sh /sbin/bootchartd
> + root       103   101  6 03:36 ?        00:00:04
> /lib64/bootchart/bootchart-collector 50
> + root       596   592  0 03:37 ttyS0    00:00:00 grep bootchart
> +
> +[1] https://github.com/xrmx/bootchart/issues/94
> +
> +Upstream-Status: Pending
> +
> +Signed-off-by: Mingli Yu <[email protected]>
> +---
> + bootchartd.in | 1 -
> + 1 file changed, 1 deletion(-)
> +
> +diff --git a/bootchartd.in b/bootchartd.in
> +index 7979ef9..f0e466d 100755
> +--- a/bootchartd.in
> ++++ b/bootchartd.in
> +@@ -183,7 +183,6 @@ if [ $$ -eq 1 ]; then
> +       else # running inside the main system
> +               echo "bootchart: no initrd used; starting"
> +               start &
> +-              wait_boot &
> +               # wait a little, until the collector is going, before
> allowing
> +               # the rest of the system to charge ahead, so we catch it
> +               $USLEEP 250000
> +--
> +2.17.1
> +
> diff --git a/meta/recipes-devtools/bootchart2/bootchart2_0.14.9.bb
> b/meta/recipes-devtools/bootchart2/bootchart2_0.14.9.bb
> index 59fcd8c78a..87f7631ddc 100644
> --- a/meta/recipes-devtools/bootchart2/bootchart2_0.14.9.bb
> +++ b/meta/recipes-devtools/bootchart2/bootchart2_0.14.9.bb
> @@ -94,6 +94,7 @@ SRC_URI = "git://
> github.com/xrmx/bootchart.git;branch=master;protocol=https \
>             file://bootchartd_stop.sh \
>             file://0001-collector-Allocate-space-on-heap-for-chunks.patch \
>             file://0001-bootchart2-support-usrmerge.patch \
> +
>  file://0001-bootchartd.in-make-sure-only-one-bootchartd-process.patch \
>            "
>
>  S = "${WORKDIR}/git"
> --
> 2.17.1
>
>
> 
>
>
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