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Florian Fainelli f54fc4c23e perf tests ARM: Disable breakpoint tests 32-bit 
[ Upstream commit 24f967337f6d6bce931425769c0f5ff5cf2d212e ]

The breakpoint tests on the ARM 32-bit kernel are broken in several
ways.

The breakpoint length requested does not necessarily match whether the
function address has the Thumb bit (bit 0) set or not, and this does
matter to the ARM kernel hw_breakpoint infrastructure. See [1] for
background.

[1]: https://lkml.org/lkml/2018/11/15/205

As Will indicated, the overflow handling would require single-stepping
which is not supported at the moment. Just disable those tests for the
ARM 32-bit platforms and update the comment above to explain these
limitations.

Co-developed-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Acked-by: Jiri Olsa <jolsa@redhat.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/20181203191138.2419-1-f.fainelli@gmail.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2019-01-26 09:32:40 +01:00
..
attr perf tools: Fix crash on synthesizing the unit 2018-12-17 09:24:31 +01:00
shell perf tests: Fix record+probe_libc_inet_pton.sh without ping's debuginfo 2018-11-13 11:08:28 -08:00
.gitignore perf test: Add libbpf relocation checker 2016-01-26 12:10:55 -03:00
attr.c perf tools: Fix snprint warnings for gcc 8 2018-03-19 10:00:43 -03:00
attr.py Merge branch 'linus' into perf/core, to fix conflicts 2017-11-07 10:30:18 +01:00
backward-ring-buffer.c perf mmap: Simplify perf_mmap__read_init() 2018-03-08 10:05:53 -03:00
bitmap.c perf tools: Drop unneeded bitmap_zero() calls 2018-08-08 15:55:44 -03:00
bp_account.c perf tests bp_account: Fix build with clang-6 2018-03-19 13:51:54 -03:00
bp_signal.c perf tests ARM: Disable breakpoint tests 32-bit 2019-01-26 09:32:40 +01:00
bp_signal_overflow.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
bpf-script-example.c perf test BPF: Fixup BPF test using epoll_pwait syscall function probe 2018-04-18 15:35:53 -03:00
bpf-script-test-kbuild.c perf tests bpf: Remove unused ptrace.h include from LLVM test 2018-04-12 10:33:24 -03:00
bpf-script-test-prologue.c perf bpf: Fix endianness problem when loading parameters in prologue 2017-08-16 10:31:11 -03:00
bpf-script-test-relocation.c perf test: Add libbpf relocation checker 2016-01-26 12:10:55 -03:00
bpf.c perf mmap: Simplify perf_mmap__read_init() 2018-03-08 10:05:53 -03:00
Build perf tests: Add mem2node object test 2018-03-16 13:52:48 -03:00
builtin-test.c perf tests: Fix indexing when invoking subtests 2018-07-31 10:52:51 -03:00
clang.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
code-reading.c perf tools: Get rid of dso__needs_decompress() call in read_object_code() 2018-08-20 08:54:59 -03:00
cpumap.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
dso-data.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
dwarf-unwind.c perf tests: Fix dwarf unwind for stripped binaries 2018-02-16 10:09:23 -03:00
event-times.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
event_update.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
evsel-roundtrip-name.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
evsel-tp-sched.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
expr.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
fdarray.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
hists_common.c perf symbols: Unify symbol maps 2018-04-27 10:47:06 -03:00
hists_common.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
hists_cumulate.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
hists_filter.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
hists_link.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
hists_output.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
is_printable_array.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
keep-tracking.c perf mmap: Simplify perf_mmap__read_init() 2018-03-08 10:05:53 -03:00
kmod-path.c perf tools: Remove ext from struct kmod_path 2018-08-20 08:54:59 -03:00
llvm.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
llvm.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
make Merge branch 'kbuild' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild 2016-12-17 16:24:13 -08:00
mem.c perf tools: Fix snprint warnings for gcc 8 2018-03-19 10:00:43 -03:00
mem2node.c perf tools: Drop unneeded bitmap_zero() calls 2018-08-08 15:55:44 -03:00
mmap-basic.c perf tests mmap: Show which tracepoint is failing 2018-04-18 15:35:52 -03:00
mmap-thread-lookup.c perf thread: Introduce thread__find_map() 2018-04-26 13:47:06 -03:00
openat-syscall-all-cpus.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
openat-syscall-tp-fields.c perf mmap: Simplify perf_mmap__read_init() 2018-03-08 10:05:53 -03:00
openat-syscall.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
parse-events.c perf tests: Fix complex event name parsing 2018-07-31 10:52:23 -03:00
parse-no-sample-id-all.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
perf-hooks.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
perf-record.c perf mmap: Simplify perf_mmap__read_init() 2018-03-08 10:05:53 -03:00
perf-targz-src-pkg License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
pmu.c perf tools: Fix snprint warnings for gcc 8 2018-03-19 10:00:43 -03:00
python-use.c perf test: Use header file util/debug.h 2018-06-04 10:28:53 -03:00
sample-parsing.c perf tools: Get rid of unused 'swapped' parameter from perf_event__synthesize_sample() 2018-01-18 09:01:23 -03:00
sdt.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
stat.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
sw-clock.c perf mmap: Simplify perf_mmap__read_init() 2018-03-08 10:05:53 -03:00
switch-tracking.c perf mmap: Simplify perf_mmap__read_init() 2018-03-08 10:05:53 -03:00
task-exit.c perf mmap: Simplify perf_mmap__read_init() 2018-03-08 10:05:53 -03:00
tests.h perf tests: Add mem2node object test 2018-03-16 13:52:48 -03:00
thread-map.c perf thread_map: Enumerate all threads from /proc 2017-12-27 12:15:46 -03:00
thread-mg-share.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
topology.c perf test session topology: Fix test on s390 2018-06-25 11:59:35 -03:00
unit_number__scnprintf.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
vmlinux-kallsyms.c perf machine: Ditch find_kernel_function variants 2018-04-30 12:20:54 -03:00