From: Cyril Hrubis <chrubis@suse.cz>
To: ltp@lists.linux.it
Subject: [LTP] [PATCH 3/9] syscalls/ipc: shmctl04: Rewrite from scratch.
Date: Mon, 7 Sep 2020 13:16:40 +0200 [thread overview]
Message-ID: <20200907111640.GA10649@yuki.lan> (raw)
In-Reply-To: <CAEemH2dHcasASDdXKypSwYkg7Yq1+ynO3-Z6QcxMwP6M=Qh3mQ@mail.gmail.com>
Hi!
> It failed many times on my personal laptop (5.4.19-100.fc30.x86_64).
>
> $ cat /proc/sysvipc/shm
> key shmid perms size cpid lpid nattch uid
> gid cuid cgid atime dtime ctime
> rss swap
> 0 6 1600 524288 2778 5447 2 1000
> 1000 1000 1000 1595120306 1595120306 1595119412 4096 0
> 0 8 1600 524288 1903 2043 2 1000
> 1000 1000 1000 1595119515 0 1595119515 24576
> 0
>
> $ ./shmctl04
> tst_test.c:1245: INFO: Timeout per run is 0h 05m 00s
> shmctl04.c:119: PASS: SHM_INFO returned valid index 8
> shmctl04.c:70: PASS: used_ids = 3
> shmctl04.c:77: PASS: shm_rss = 7
> shmctl04.c:84: PASS: shm_swp = 0
> shmctl04.c:91: PASS: shm_tot = 257
> shmctl04.c:95: FAIL: highest shmid = 8, expected 65537
>
> Summary:
> passed 5
> failed 1
> skipped 0
> warnings 0
>
> After printing the shm_proc during test running, I guess the 'shmid' is not
> listing in number order sometimes which probably caused that failure.
Looking at the result closely, I guess that I messed up and got confused
here, the return value from SHM_INFO is highest index into the kernel
array, which is equal to highest shmid only by an accident on a freshly
booted machine. I will fix that part in v2.
> 'SHM_STAT_ANY' is introduced since Linux 4.17. We have to confirm the SUT
> supporting before we running it.
>
> Also, we'd better define it in "ipcshm.h" to avoid compiling errors with
> the old distro.
>
> shmctl04.c: In function 'verify_shminfo':
> shmctl04.c:114: error: 'SHM_STAT_ANY' undeclared (first use in this
> function)
> shmctl04.c:114: error: (Each undeclared identifier is reported only once
> shmctl04.c:114: error: for each function it appears in.)
Will fix as well.
--
Cyril Hrubis
chrubis@suse.cz
next prev parent reply other threads:[~2020-09-07 11:16 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-07-17 16:34 [LTP] [PATCH 0/9] Rewrite shmctl() testcases Cyril Hrubis
2020-07-17 16:34 ` [LTP] [PATCH 1/9] syscalls/ipc: shmctl02: Convert to the new library Cyril Hrubis
2020-07-19 2:51 ` Li Wang
2020-07-21 14:32 ` Martin Doucha
2020-07-17 16:34 ` [LTP] [PATCH 2/9] syscalls/ipc: shmctl03: Remove Cyril Hrubis
2020-07-17 16:34 ` [LTP] [PATCH 3/9] syscalls/ipc: shmctl04: Rewrite from scratch Cyril Hrubis
2020-07-19 7:48 ` Li Wang
2020-09-07 11:16 ` Cyril Hrubis [this message]
2020-07-28 9:16 ` Petr Vorel
2020-07-17 16:34 ` [LTP] [PATCH 4/9] syscalls/ipc: shmctl05 remove lib dependency Cyril Hrubis
2020-07-17 16:34 ` [LTP] [PATCH 5/9] lib/tst_assert: Add TST_ASSERT_ULONG() Cyril Hrubis
2020-07-17 16:34 ` [LTP] [PATCH 6/9] syscalls/ipc: Add shmctl() IPC_INFO test Cyril Hrubis
2020-07-19 9:36 ` Li Wang
2020-07-21 16:03 ` Martin Doucha
2020-07-17 16:34 ` [LTP] [PATCH 7/9] syscalls/ipc: Add shmctl07 test Cyril Hrubis
2020-07-19 9:50 ` Li Wang
2020-09-07 14:45 ` Cyril Hrubis
2020-07-17 16:34 ` [LTP] [PATCH 8/9] syscalls/ipc: Add shmctl IPC_SET test Cyril Hrubis
2020-07-20 2:26 ` Li Wang
2020-09-07 14:47 ` Cyril Hrubis
2020-07-22 10:35 ` Martin Doucha
2020-07-17 16:34 ` [LTP] [PATCH 9/9] syscalls/ipc: Rewrite shmctl01 Cyril Hrubis
2020-07-22 14:50 ` Martin Doucha
2020-07-20 7:14 ` [LTP] [PATCH 0/9] Rewrite shmctl() testcases Yang Xu
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