[stdlog] 2025-08-11 10:57:55,911 avocado.test INFO | INIT 1-./pcache.py:PcacheTest.test
[stdlog] 2025-08-11 10:57:55,914 avocado.test DEBUG| PARAMS (key=timeout, path=*, default=None) => None
[stdlog] 2025-08-11 10:57:55,914 avocado.test DEBUG| Test metadata:
[stdlog] 2025-08-11 10:57:55,914 avocado.test DEBUG|   filename: /workspace/dtg-tests/pcache.py
[stdlog] 2025-08-11 10:57:55,915 avocado.test DEBUG|   teststmpdir: /var/tmp/avocado_yasm3mmr
[stdlog] 2025-08-11 10:57:55,916 avocado.test INFO | START 1-./pcache.py:PcacheTest.test
[stdlog] 2025-08-11 10:57:55,916 avocado.test DEBUG| PARAMS (key=striped, path=*, default=false) => False
[stdlog] 2025-08-11 10:57:55,916 avocado.test DEBUG| PARAMS (key=gcov, path=*, default=false) => False
[stdlog] 2025-08-11 10:57:55,916 avocado.test INFO | env_dict: {'linux_path': '/workspace/linux_compile', 'covdir': '/workspace/datatravelguide/covdir', 'gcov': 'false', 'cache_dev0': '/dev/pmem0', 'cache_dev1': '/dev/pmem1', 'cache_dev2': '/dev/pmem2', 'cache_dev3': '/dev/pmem3', 'striped': 'false', 'data_dev0': '/dev/vdc', 'data_dev1': '/dev/vdd', 'cache_mode': 'writeback', 'gc_percent': '80', 'data_crc': 'false', 'test_script': './pcache.py.data/pcache_failslab.sh'}
[stdlog] 2025-08-11 10:57:55,916 avocado.test DEBUG| PARAMS (key=test_script, path=*, default=None) => './pcache.py.data/pcache_failslab.sh'
[stdout] /workspace/dtg-tests
[stdout] /workspace/linux_compile /workspace/dtg-tests
[stdout] patching file drivers/md/dm-pcache/backing_dev.c
[stdout] patching file drivers/md/dm-pcache/cache_key.c
[stdout] make[1]: Entering directory '/workspace/linux_compile/drivers/md/dm-pcache'
[stdout]   CC [M]  backing_dev.o
[stdout]   CC [M]  cache_key.o
[stdout]   LD [M]  dm-pcache.o
[stdout]   MODPOST Module.symvers
[stdout]   CC [M]  dm-pcache.mod.o
[stdout]   LD [M]  dm-pcache.ko
[stdout] make[1]: Leaving directory '/workspace/linux_compile/drivers/md/dm-pcache'
[stdout] /workspace/dtg-tests
[stdout] meta-data=/dev/mapper/pcache_vdc isize=512    agcount=4, agsize=655360 blks
[stdout]          =                       sectsz=512   attr=2, projid32bit=1
[stdout]          =                       crc=1        finobt=1, sparse=1, rmapbt=1
[stdout]          =                       reflink=1    bigtime=1 inobtcount=1 nrext64=0
[stdout] data     =                       bsize=4096   blocks=2621440, imaxpct=25
[stdout]          =                       sunit=0      swidth=0 blks
[stdout] naming   =version 2              bsize=4096   ascii-ci=0, ftype=1
[stdout] log      =internal log           bsize=4096   blocks=16384, version=2
[stdout]          =                       sectsz=512   sunit=0 blks, lazy-count=1
[stdout] realtime =none                   extsz=4096   blocks=0, rtextents=0
[stdout] meta-data=/dev/mapper/pcache_vdc isize=512    agcount=4, agsize=655360 blks
[stdout]          =                       sectsz=512   attr=2, projid32bit=1
[stdout]          =                       crc=1        finobt=1, sparse=1, rmapbt=1
[stdout]          =                       reflink=1    bigtime=1 inobtcount=1 nrext64=0
[stdout] data     =                       bsize=4096   blocks=2621440, imaxpct=25
[stdout]          =                       sunit=0      swidth=0 blks
[stdout] naming   =version 2              bsize=4096   ascii-ci=0, ftype=1
[stdout] log      =internal log           bsize=4096   blocks=16384, version=2
[stdout]          =                       sectsz=512   sunit=0 blks, lazy-count=1
[stdout] realtime =none                   extsz=4096   blocks=0, rtextents=0
[stdout] FSTYP         -- xfs (non-debug)
[stdout] PLATFORM      -- Linux/x86_64 ubuntu-22-04-server 6.16.0+ #14 SMP PREEMPT_DYNAMIC Thu Aug  7 15:05:13 CST 2025
[stdout] MKFS_OPTIONS  -- -f /dev/mapper/pcache_vdd
[stdout] MOUNT_OPTIONS -- /dev/mapper/pcache_vdd /mnt/scratch
[stdout] 
[stdout] generic/001 14s ...  15s
[stdout] Ran: generic/001
[stdout] Passed all 1 tests
[stdout] 
[stdout] ==> Done. See dmesg for failslab traces.
[stdout] /workspace/linux_compile /workspace/xfstests
[stdout] patching file drivers/md/dm-pcache/backing_dev.c
[stdout] patching file drivers/md/dm-pcache/cache_key.c
[stdout] make[1]: Entering directory '/workspace/linux_compile/drivers/md/dm-pcache'
[stdout]   CLEAN   Module.symvers
[stdout] make[1]: Leaving directory '/workspace/linux_compile/drivers/md/dm-pcache'
[stdout] make[1]: Entering directory '/workspace/linux_compile/drivers/md/dm-pcache'
[stdout]   CC [M]  dm_pcache.o
[stdout]   CC [M]  cache_dev.o
[stdout]   CC [M]  segment.o
[stdout]   CC [M]  backing_dev.o
[stdout]   CC [M]  cache.o
[stdout]   CC [M]  cache_gc.o
[stdout]   CC [M]  cache_writeback.o
[stdout]   CC [M]  cache_segment.o
[stdout]   CC [M]  cache_key.o
[stdout]   CC [M]  cache_req.o
[stdout]   LD [M]  dm-pcache.o
[stdout]   MODPOST Module.symvers
[stdout]   CC [M]  dm-pcache.mod.o
[stdout]   CC [M]  .module-common.o
[stdout]   LD [M]  dm-pcache.ko
[stdout] make[1]: Leaving directory '/workspace/linux_compile/drivers/md/dm-pcache'
[stdout] /workspace/xfstests
[stdout] 
[stdout] + : /workspace/datatravelguide/covdir
[stdout] + : false
[stdout] + : /workspace/linux_compile
[stdout] + : /dev/pmem0
[stdout] + : /dev/vdc
[stdout] + : /dev/vdd
[stdout] + : writeback
[stdout] + : false
[stdout] ++ basename /dev/vdc
[stdout] + dm_name0=pcache_vdc
[stdout] ++ basename /dev/vdd
[stdout] + dm_name1=pcache_vdd
[stdout] +++ dirname ./pcache.py.data/pcache_failslab.sh
[stdout] ++ realpath ./pcache.py.data/0001-dm-pcache-set-min_nr-of-mempool-to-0.patch
[stdout] + PATCH_FILE=/workspace/dtg-tests/pcache.py.data/0001-dm-pcache-set-min_nr-of-mempool-to-0.patch
[stdout] + DBG=/sys/kernel/debug/failslab
[stdout] + PROB=100
[stdout] + INTERVAL=2
[stdout] + TIMES=100
[stdout] + VERBOSE=1
[stdout] + DMESG_LOG=/tmp/pcache_failslab_dmesg.log
[stdout] + sudo dmesg -c
[stdout] + sudo dmsetup remove pcache_vdc
[stdout] + true
[stdout] + sudo dmsetup remove pcache_vdd
[stdout] + true
[stdout] + pcache_rmmod
[stdout] + dump_gcov
[stdout] + [[ false != \t\r\u\e ]]
[stdout] + return
[stdout] + sudo rmmod dm-pcache
[stdout] + true
[stdout] + pcache_insmod /workspace/linux_compile/drivers/md/dm-pcache/dm-pcache.ko
[stdout] + reset_gcov
[stdout] + [[ false != \t\r\u\e ]]
[stdout] + return
[stdout] + sudo insmod /workspace/linux_compile/drivers/md/dm-pcache/dm-pcache.ko
[stdout] + dd if=/dev/zero of=/dev/pmem0 bs=1M count=1 oflag=direct
[stdout] 1+0 records in
[stdout] 1+0 records out
[stdout] 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.00119215 s, 880 MB/s
[stdout] ++ sudo blockdev --getsz /dev/vdc
[stdout] + SEC_NR=20971520
[stdout] + sudo dmsetup create pcache_vdc_probe --table '0 20971520 pcache /dev/pmem0 /dev/vdc 4 cache_mode writeback data_crc false'
[stdout] + sudo dmsetup remove pcache_vdc_probe
[stdout] + trap cleanup EXIT
[stdout] + apply_patch
[stdout] + pushd /workspace/linux_compile
[stdout] + patch -Np1
[stdout] + make M=drivers/md/dm-pcache/
[stdout] + popd
[stdout] + configure_failslab
[stdout] + sudo sh -c 'echo 100 > /sys/kernel/debug/failslab/probability'
[stdout] + sudo sh -c 'echo 2 > /sys/kernel/debug/failslab/interval'
[stdout] + sudo sh -c 'echo 1 > /sys/kernel/debug/failslab/verbose'
[stdout] + sudo sh -c 'echo Y > /sys/kernel/debug/failslab/cache-filter'
[stdout] + sudo sh -c 'echo N > /sys/kernel/debug/failslab/ignore-gfp-wait'
[stdout] + sudo sh -c 'echo 100 > /sys/kernel/debug/failslab/times'
[stdout] + bash ./pcache.py.data/pcache.sh
[stdout] + : /workspace/datatravelguide/covdir
[stdout] + : false
[stdout] + : false
[stdout] + : false
[stdout] + : 80
[stdout] + : writeback
[stdout] + : /dev/vdc
[stdout] + : /dev/vdd
[stdout] + [[ false == \t\r\u\e ]]
[stdout] ++ basename /dev/vdc
[stdout] + dm_name0=pcache_vdc
[stdout] ++ basename /dev/vdd
[stdout] + dm_name1=pcache_vdd
[stdout] + sudo dmsetup remove pcache_vdc
[stdout] + true
[stdout] + sudo dmsetup remove pcache_vdd
[stdout] + true
[stdout] + pcache_rmmod
[stdout] + dump_gcov
[stdout] + [[ false != \t\r\u\e ]]
[stdout] + return
[stdout] + sudo rmmod dm-pcache
[stdout] + pcache_insmod /workspace/linux_compile/drivers/md/dm-pcache/dm-pcache.ko
[stdout] + reset_gcov
[stdout] + [[ false != \t\r\u\e ]]
[stdout] + return
[stdout] + sudo insmod /workspace/linux_compile/drivers/md/dm-pcache/dm-pcache.ko
[stdout] + dd if=/dev/zero of=/dev/pmem0 bs=1M count=1 oflag=direct
[stdout] 1+0 records in
[stdout] 1+0 records out
[stdout] 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.00176246 s, 595 MB/s
[stdout] + dd if=/dev/zero of=/dev/pmem1 bs=1M count=1 oflag=direct
[stdout] 1+0 records in
[stdout] 1+0 records out
[stdout] 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.00222207 s, 472 MB/s
[stdout] ++ sudo blockdev --getsz /dev/vdc
[stdout] + SEC_NR=20971520
[stdout] + sudo dmsetup create pcache_vdc_probe --table '0 20971520 pcache /dev/pmem0 /dev/vdc 4 cache_mode writeback data_crc false'
[stdout] + sudo dmsetup remove pcache_vdc_probe
[stdout] ++ sudo blockdev --getsz /dev/vdc
[stdout] + SEC_NR=20971520
[stdout] + sudo dmsetup create pcache_vdc --table '0 20971520 pcache /dev/pmem0 /dev/vdc 4 cache_mode writeback data_crc false'
[stdout] ++ sudo blockdev --getsz /dev/vdd
[stdout] + SEC_NR=20971520
[stdout] + sudo dmsetup create pcache_vdd --table '0 20971520 pcache /dev/pmem1 /dev/vdd 4 cache_mode writeback data_crc false'
[stdout] + [[ -n 80 ]]
[stdout] + sudo dmsetup message pcache_vdc 0 gc_percent 80
[stdout] + sudo dmsetup message pcache_vdd 0 gc_percent 80
[stdout] + sudo mkfs.xfs -f /dev/mapper/pcache_vdc
[stdout] + sudo sh -c 'echo 1 > /sys/kernel/slab/pcache_cache_key/failslab'
[stdout] + sudo sh -c 'echo 1 > /sys/kernel/slab/pcache_backing_dev_req/failslab'
[stdout] + sudo sh -c 'echo "file cache_key.c +p" > /sys/kernel/debug/dynamic_debug/control'
[stdout] + sudo sh -c 'echo "file cache_req.c +p" > /sys/kernel/debug/dynamic_debug/control'
[stdout] + dd if=/dev/mapper/pcache_vdc of=/dev/null bs=4M count=100 iflag=direct
[stdout] 100+0 records in
[stdout] 100+0 records out
[stdout] 419430400 bytes (419 MB, 400 MiB) copied, 2.44098 s, 172 MB/s
[stdout] + reset_pmem
[stdout] + dd if=/dev/zero of=/dev/pmem0 bs=1M count=1 oflag=direct
[stdout] 1+0 records in
[stdout] 1+0 records out
[stdout] 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.00126944 s, 826 MB/s
[stdout] + sync
[stdout] + bash ./pcache.py.data/pcache.sh
[stdout] + : /workspace/datatravelguide/covdir
[stdout] + : false
[stdout] + : false
[stdout] + : false
[stdout] + : 80
[stdout] + : writeback
[stdout] + : /dev/vdc
[stdout] + : /dev/vdd
[stdout] + [[ false == \t\r\u\e ]]
[stdout] ++ basename /dev/vdc
[stdout] + dm_name0=pcache_vdc
[stdout] ++ basename /dev/vdd
[stdout] + dm_name1=pcache_vdd
[stdout] + sudo dmsetup remove pcache_vdc
[stdout] + sudo dmsetup remove pcache_vdd
[stdout] + pcache_rmmod
[stdout] + dump_gcov
[stdout] + [[ false != \t\r\u\e ]]
[stdout] + return
[stdout] + sudo rmmod dm-pcache
[stdout] + pcache_insmod /workspace/linux_compile/drivers/md/dm-pcache/dm-pcache.ko
[stdout] + reset_gcov
[stdout] + [[ false != \t\r\u\e ]]
[stdout] + return
[stdout] + sudo insmod /workspace/linux_compile/drivers/md/dm-pcache/dm-pcache.ko
[stdout] + dd if=/dev/zero of=/dev/pmem0 bs=1M count=1 oflag=direct
[stdout] 1+0 records in
[stdout] 1+0 records out
[stdout] 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.00118326 s, 886 MB/s
[stdout] + dd if=/dev/zero of=/dev/pmem1 bs=1M count=1 oflag=direct
[stdout] 1+0 records in
[stdout] 1+0 records out
[stdout] 1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.00131764 s, 796 MB/s
[stdout] ++ sudo blockdev --getsz /dev/vdc
[stdout] + SEC_NR=20971520
[stdout] + sudo dmsetup create pcache_vdc_probe --table '0 20971520 pcache /dev/pmem0 /dev/vdc 4 cache_mode writeback data_crc false'
[stdout] + sudo dmsetup remove pcache_vdc_probe
[stdout] ++ sudo blockdev --getsz /dev/vdc
[stdout] + SEC_NR=20971520
[stdout] + sudo dmsetup create pcache_vdc --table '0 20971520 pcache /dev/pmem0 /dev/vdc 4 cache_mode writeback data_crc false'
[stdout] ++ sudo blockdev --getsz /dev/vdd
[stdout] + SEC_NR=20971520
[stdout] + sudo dmsetup create pcache_vdd --table '0 20971520 pcache /dev/pmem1 /dev/vdd 4 cache_mode writeback data_crc false'
[stdout] + [[ -n 80 ]]
[stdout] + sudo dmsetup message pcache_vdc 0 gc_percent 80
[stdout] + sudo dmsetup message pcache_vdd 0 gc_percent 80
[stdout] + sudo mkfs.xfs -f /dev/mapper/pcache_vdc
[stdout] + reset_failslab
[stdout] + sudo sh -c 'echo 0 > /sys/kernel/debug/failslab/probability'
[stdout] + sudo sh -c 'echo 0 > /sys/kernel/debug/failslab/interval'
[stdout] + sudo sh -c 'echo 0 > /sys/kernel/debug/failslab/verbose'
[stdout] + sudo sh -c 'echo N > /sys/kernel/debug/failslab/cache-filter'
[stdout] + sudo sh -c 'echo Y > /sys/kernel/debug/failslab/ignore-gfp-wait'
[stdout] + sudo sh -c 'echo 0 > /sys/kernel/debug/failslab/times'
[stdout] + sudo sh -c 'echo 0 > /sys/kernel/slab/pcache_cache_key/failslab'
[stdout] + sudo sh -c 'echo 0 > /sys/kernel/slab/pcache_backing_dev_req/failslab'
[stdout] + configure_failslab
[stdout] + sudo sh -c 'echo 100 > /sys/kernel/debug/failslab/probability'
[stdout] + sudo sh -c 'echo 2 > /sys/kernel/debug/failslab/interval'
[stdout] + sudo sh -c 'echo 1 > /sys/kernel/debug/failslab/verbose'
[stdout] + sudo sh -c 'echo Y > /sys/kernel/debug/failslab/cache-filter'
[stdout] + sudo sh -c 'echo N > /sys/kernel/debug/failslab/ignore-gfp-wait'
[stdout] + sudo sh -c 'echo 100 > /sys/kernel/debug/failslab/times'
[stdout] + sudo sh -c 'echo 1 > /sys/kernel/slab/pcache_cache_key/failslab'
[stdout] + sudo sh -c 'echo 1 > /sys/kernel/slab/pcache_backing_dev_req/failslab'
[stdout] + sudo sh -c 'echo "file cache_key.c +p" > /sys/kernel/debug/dynamic_debug/control'
[stdout] + sudo sh -c 'echo "file cache_req.c +p" > /sys/kernel/debug/dynamic_debug/control'
[stdout] + cd /workspace/xfstests
[stdout] + ./check generic/001
[stdout] + sudo dmesg
[stdout] + grep -q 'allocate pre_alloc_key with GFP_NOIO' /tmp/pcache_failslab_dmesg.log
[stdout] + grep -q 'allocate pre_alloc_req with GFP_NOIO' /tmp/pcache_failslab_dmesg.log
[stdout] + echo '==> Done. See dmesg for failslab traces.'
[stdout] + cleanup
[stdout] + echo 0
[stdout] + sudo dmsetup remove pcache_vdc
[stdout] + sudo dmsetup remove pcache_vdd
[stdout] + pcache_rmmod
[stdout] + dump_gcov
[stdout] + [[ false != \t\r\u\e ]]
[stdout] + return
[stdout] + sudo rmmod dm-pcache
[stdout] + revert_patch
[stdout] + pushd /workspace/linux_compile
[stdout] + patch -Rp1
[stdout] + make M=drivers/md/dm-pcache/ clean
[stdout] + make M=drivers/md/dm-pcache/
[stdout] + popd
[stdout] 
[stdlog] 2025-08-11 10:58:51,872 avocado.test INFO | pcache script completed successfully
[stdlog] 2025-08-11 10:58:51,873 avocado.test INFO | pcache test finished.
[stdlog] 2025-08-11 10:58:51,873 avocado.test INFO | PASS 1-./pcache.py:PcacheTest.test
[stdlog] 2025-08-11 10:58:51,873 avocado.test INFO |