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2532be3d21
Some shell tests compete for resources and so can't run with other tests, tag such tests. The "(exclusive)" stems from shared/exclusive to describe how the tests run as if holding a lock. For ARM/coresight tests: Suggested-by: James Clark <james.clark@linaro.org> Additional failing tests: Suggested-by: Namhyung Kim <namhyung@kernel.org> Tested-by: James Clark <james.clark@linaro.org> Signed-off-by: Ian Rogers <irogers@google.com> Cc: Colin Ian King <colin.i.king@gmail.com> Cc: Howard Chu <howardchu95@gmail.com> Cc: Weilin Wang <weilin.wang@intel.com> Cc: Ilya Leoshkevich <iii@linux.ibm.com> Cc: Thomas Richter <tmricht@linux.ibm.com> Cc: Andi Kleen <ak@linux.intel.com> Cc: Dapeng Mi <dapeng1.mi@linux.intel.com> Cc: Athira Jajeev <atrajeev@linux.vnet.ibm.com> Cc: Michael Petlan <mpetlan@redhat.com> Cc: Veronika Molnarova <vmolnaro@redhat.com> Link: https://lore.kernel.org/r/20241025192109.132482-6-irogers@google.com Signed-off-by: Namhyung Kim <namhyung@kernel.org>
45 lines
1.4 KiB
Bash
Executable File
45 lines
1.4 KiB
Bash
Executable File
#!/bin/sh
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# Check open filename arg using perf trace + vfs_getname (exclusive)
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# Uses the 'perf test shell' library to add probe:vfs_getname to the system
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# then use it with 'perf trace' using 'touch' to write to a temp file, then
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# checks that that was captured by the vfs_getname was used by 'perf trace',
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# that already handles "probe:vfs_getname" if present, and used in the
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# "open" syscall "filename" argument beautifier.
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# SPDX-License-Identifier: GPL-2.0
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# Arnaldo Carvalho de Melo <acme@kernel.org>, 2017
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# shellcheck source=lib/probe.sh
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. "$(dirname $0)"/lib/probe.sh
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skip_if_no_perf_probe || exit 2
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skip_if_no_perf_trace || exit 2
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. "$(dirname $0)"/lib/probe_vfs_getname.sh
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trace_open_vfs_getname() {
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evts="$(echo "$(perf list tracepoint 2>/dev/null | grep -E 'syscalls:sys_enter_open(at)? ' | sed -r 's/.*sys_enter_([a-z]+) +\[.*$/\1/')" | sed ':a;N;s:\n:,:g')"
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perf trace -e $evts touch $file 2>&1 | \
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grep -E " +[0-9]+\.[0-9]+ +\( +[0-9]+\.[0-9]+ ms\): +touch/[0-9]+ open(at)?\((dfd: +CWD, +)?filename: +\"?${file}\"?, +flags: CREAT\|NOCTTY\|NONBLOCK\|WRONLY, +mode: +IRUGO\|IWUGO\) += +[0-9]+$"
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}
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add_probe_vfs_getname || skip_if_no_debuginfo
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err=$?
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if [ $err -ne 0 ] ; then
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exit $err
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fi
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file=$(mktemp /tmp/temporary_file.XXXXX)
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# Do not use whatever ~/.perfconfig file, it may change the output
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# via trace.{show_timestamp,show_prefix,etc}
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export PERF_CONFIG=/dev/null
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trace_open_vfs_getname
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err=$?
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rm -f ${file}
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cleanup_probe_vfs_getname
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exit $err
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