[OE-core] [PATCH] procps: Add cgroup support
Saul Wold
sgw at linux.intel.com
Fri Aug 9 15:57:37 UTC 2013
On 08/07/2013 06:15 AM, Jukka Rissanen wrote:
>
> Signed-off-by: Jukka Rissanen <jukka.rissanen at linux.intel.com>
> ---
> Hi,
>
> I have been using this patch in meta-eca but it might be useful
> in oe-core.
>
> Cheers,
> Jukka
>
>
> .../procps-3.2.8/procps-3.2.8-ps-cgroup.patch | 74 ++++++++++++++++++++++
> meta/recipes-extended/procps/procps_3.2.8.bb | 1 +
> 2 files changed, 75 insertions(+)
> create mode 100644 meta/recipes-extended/procps/procps-3.2.8/procps-3.2.8-ps-cgroup.patch
>
> diff --git a/meta/recipes-extended/procps/procps-3.2.8/procps-3.2.8-ps-cgroup.patch b/meta/recipes-extended/procps/procps-3.2.8/procps-3.2.8-ps-cgroup.patch
> new file mode 100644
> index 0000000..eb260d3
> --- /dev/null
> +++ b/meta/recipes-extended/procps/procps-3.2.8/procps-3.2.8-ps-cgroup.patch
This needs a proper patch headers, please see the guidelines:
http://www.openembedded.org/wiki/Commit_Patch_Message_Guidelines
Thanks
Sau!
> @@ -0,0 +1,74 @@
> +From e529ce0b53f6b73d8b760cd37b23e0397720cede Mon Sep 17 00:00:00 2001
> +From: Daniel Novotny <dnovotny at fedoraproject.org>
> +Date: Mon, 16 Feb 2009 12:22:20 +0000
> +Subject: add cgroup support
> +
> +Rebased for 3.2.8: Andrei Gherzan <andrei.gherzan at windriver.com>
> +
> +Index: procps-3.2.8/ps/output.c
> +===================================================================
> +--- procps-3.2.8.orig/ps/output.c 2012-11-15 17:44:05.501337741 +0200
> ++++ procps-3.2.8/ps/output.c 2012-11-15 17:48:31.585328231 +0200
> +@@ -1099,6 +1099,39 @@
> + return snprintf(outbuf, COLWID, "*");
> + }
> +
> ++static int pr_cgroup(char *restrict const outbuf, const proc_t *restrict const pp){
> ++ char filename[48];
> ++ FILE *fd;
> ++ int counter = 0;
> ++ int c;
> ++ int is_cgroup = 0;
> ++
> ++ outbuf[0]='\0';
> ++ snprintf(filename, sizeof filename, "/proc/%d/cgroup", pp->tgid);
> ++ fd = fopen(filename, "r");
> ++ if (likely(fd == NULL)) goto fail;
> ++ while (( (c = fgetc(fd)) != EOF) && (counter<665)) {
> ++ if (is_cgroup == 0) {
> ++ if (c == ':') {
> ++ is_cgroup = 1;
> ++ if (counter>0)
> ++ outbuf[counter++]=';';
> ++ }
> ++ }else
> ++ if ((c == '\n') || (c == '\0'))
> ++ is_cgroup = 0;
> ++ else
> ++ outbuf[counter++]=c;
> ++ }
> ++ outbuf[counter]='\0';
> ++ close(fd);
> ++ if (counter>0)
> ++ return counter;
> ++fail:
> ++ outbuf[0] = '-';
> ++ outbuf[1] = '\0';
> ++ return 1;
> ++}
> +
> + /****************** FLASK & seLinux security stuff **********************/
> + // move the bulk of this to libproc sometime
> +@@ -1293,6 +1326,7 @@
> + {"bsdtime", "TIME", pr_bsdtime, sr_nop, 6, 0, LNX, ET|RIGHT},
> + {"c", "C", pr_c, sr_pcpu, 2, 0, SUN, ET|RIGHT},
> + {"caught", "CAUGHT", pr_sigcatch, sr_nop, 9, 0, BSD, TO|SIGNAL}, /*sigcatch*/
> ++{"cgroup", "CGROUP", pr_cgroup, sr_nop, 35, 0, LNX, PO|LEFT}, /* cgroups*/
> + {"class", "CLS", pr_class, sr_sched, 3, 0, XXX, TO|LEFT},
> + {"cls", "CLS", pr_class, sr_sched, 3, 0, HPU, TO|RIGHT}, /*says HPUX or RT*/
> + {"cmaj_flt", "-", pr_nop, sr_cmaj_flt, 1, 0, LNX, AN|RIGHT},
> +Index: procps-3.2.8/ps/ps.1
> +===================================================================
> +--- procps-3.2.8.orig/ps/ps.1 2012-11-15 17:44:50.845336117 +0200
> ++++ procps-3.2.8/ps/ps.1 2012-11-15 17:49:09.621326859 +0200
> +@@ -904,6 +904,10 @@
> + displayed. (alias\ \fBsig_catch\fR,\ \fBsigcatch\fR).
> + T}
> +
> ++cgroup CGROUP T{
> ++display control groups to which the process belonges.
> ++t}
> ++
> + class CLS T{
> + scheduling class of the process. (alias\ \fBpolicy\fR,\ \fBcls\fR).
> + Field's possible values are:
> diff --git a/meta/recipes-extended/procps/procps_3.2.8.bb b/meta/recipes-extended/procps/procps_3.2.8.bb
> index 8436d4a..e4b82e0 100644
> --- a/meta/recipes-extended/procps/procps_3.2.8.bb
> +++ b/meta/recipes-extended/procps/procps_3.2.8.bb
> @@ -10,6 +10,7 @@ SRC_URI += "file://procmodule.patch \
> file://gnu-kbsd-version.patch \
> file://60_linux_version_init.patch \
> file://procps-3.2.7-top-remcpu.patch \
> + file://procps-3.2.8-ps-cgroup.patch \
> "
>
> SRC_URI[md5sum] = "9532714b6846013ca9898984ba4cd7e0"
>
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