From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jan Stancek Date: Tue, 15 Jan 2019 06:36:19 -0500 (EST) Subject: [LTP] LTP: '/proc/self/io' for reading at readahead02.c:113: ENOENT No such file or directory In-Reply-To: References: Message-ID: <1555912299.96157256.1547552179354.JavaMail.zimbra@redhat.com> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: ltp@lists.linux.it ----- Original Message ----- > readahead02 used to pass on arm32 on LTP-20180926 release. Now using > the latest LTP master it is getting FAILED. > > tst_device.c:230: INFO: Using test device LTP_DEV='/dev/loop0' > tst_mkfs.c:90: INFO: Formatting /dev/loop0 with ext2 opts='' extra opts='' > mke2fs 1.43.5 (04-Aug-2017) > [ 603.092608] EXT4-fs (loop0): mounting ext2 file system using the > ext4 subsystem > [ 603.107967] EXT4-fs (loop0): mounted filesystem without journal. Opts: > (null) > tst_test.c:1085: INFO: Timeout per run is 0h 15m 00s > readahead02.c:359: INFO: overlayfs is not configured in this kernel. > readahead02.c:244: INFO: Test #0: readahead on file > readahead02.c:134: INFO: creating test file of size: 67108864 > safe_file_ops.c:202: BROK: Failed to open FILE '/proc/self/io' for > reading at readahead02.c:113: ENOENT We switched from /proc/$pid to /proc/self in December: commit 75506e4f1b52ea6bb63a52afb34035d9dde55d14 Date: Tue Dec 4 14:54:19 2018 +0100 syscalls/readahead02: Simplify reading proc files Use SAFE_FILE_LINES_SCANF() for parsing multiline /proc/ files Use /proc/self/io instead of /proc/$pid/io. @Naresh, what is the kernel version you see this fail with? > > Best regards > Naresh Kamboju > > -- > Mailing list info: https://lists.linux.it/listinfo/ltp >