[PATCH v1 0/4] selftests/ftrace: Add a boottime tracing test framework
From: Masami Hiramatsu (Google)
Date: Mon Aug 10 2026 - 05:38:52 EST
Hi,
This series adds a boottime tracing test framework to selftests/ftrace.
This is based on v3 series[1] of the boot-time trace (via bootconfig)
testing script.
[1] https://lore.kernel.org/all/178613904128.259829.16130019979800943264.stgit@devnote2/
The new run_boottime_test.sh can run tests not only for boottime trace
but also other kernel cmdline tracing options, including persistent
ring buffer and its backup.
This makes it possible to easily detect regression bugs in the kernel
boot trace options.
Here is an example of the test output.
-----
TAP version 13
1..14
ok 1 01-kprobe
ok 2 02-synth
ok 3 03-eprobe
ok 4 04-fprobe
ok 5 05-tprobe
ok 6 06-instance
ok 7 cmdline-01-ftrace
ok 8 cmdline-02-trace-event
ok 9 cmdline-03-trace-buf-size
ok 10 cmdline-04-trace-options
ok 11 cmdline-05-trace-clock
ok 12 cmdline-06-trace-instance
ok 13 persistent-01-reserve-mem
ok 14 persistent-02-backup-instance
# Totals: pass:14 fail:0 xfail:0 xpass:0 skip:0 error:0
-----
Thanks,
---
base-commit: 29a86c5e6361caffa7e75e891169e813f82ff688
Masami Hiramatsu (Google) (4):
selftests/ftrace: Add generic boot tracing test framework
selftests/ftrace: Add boot-time tracing testcases
selftests/ftrace: Add kernel cmdline tracing testcases
selftests/ftrace: Add persistent ring buffer testcases
tools/testing/selftests/ftrace/Makefile | 2
tools/testing/selftests/ftrace/boottime/Makefile | 10 +
tools/testing/selftests/ftrace/boottime/README | 71 ++++
.../ftrace/boottime/bootconfigs/01-kprobe.bconf | 4
.../ftrace/boottime/bootconfigs/02-synth.bconf | 4
.../ftrace/boottime/bootconfigs/03-eprobe.bconf | 4
.../ftrace/boottime/bootconfigs/04-fprobe.bconf | 4
.../ftrace/boottime/bootconfigs/05-tprobe.bconf | 4
.../ftrace/boottime/bootconfigs/06-instance.bconf | 5
.../boottime/cmdlines/cmdline-01-ftrace.cmdline | 1
.../cmdlines/cmdline-02-trace-event.cmdline | 1
.../cmdlines/cmdline-03-trace-buf-size.cmdline | 1
.../cmdlines/cmdline-04-trace-options.cmdline | 1
.../cmdlines/cmdline-05-trace-clock.cmdline | 1
.../cmdlines/cmdline-06-trace-instance.cmdline | 1
.../cmdlines/persistent-01-reserve-mem.cmdline | 1
.../cmdlines/persistent-02-backup-instance.cmdline | 1
.../selftests/ftrace/boottime/run_boottime_test.sh | 373 ++++++++++++++++++++
.../selftests/ftrace/boottime/tests/01-kprobe.sh | 25 +
.../selftests/ftrace/boottime/tests/02-synth.sh | 25 +
.../selftests/ftrace/boottime/tests/03-eprobe.sh | 25 +
.../selftests/ftrace/boottime/tests/04-fprobe.sh | 25 +
.../selftests/ftrace/boottime/tests/05-tprobe.sh | 25 +
.../selftests/ftrace/boottime/tests/06-instance.sh | 30 ++
.../ftrace/boottime/tests/cmdline-01-ftrace.sh | 19 +
.../boottime/tests/cmdline-02-trace-event.sh | 26 +
.../boottime/tests/cmdline-03-trace-buf-size.sh | 19 +
.../boottime/tests/cmdline-04-trace-options.sh | 23 +
.../boottime/tests/cmdline-05-trace-clock.sh | 19 +
.../boottime/tests/cmdline-06-trace-instance.sh | 24 +
.../boottime/tests/persistent-01-reserve-mem.sh | 28 ++
.../tests/persistent-02-backup-instance.sh | 40 ++
tools/testing/selftests/ftrace/config | 6
33 files changed, 847 insertions(+), 1 deletion(-)
create mode 100644 tools/testing/selftests/ftrace/boottime/Makefile
create mode 100644 tools/testing/selftests/ftrace/boottime/README
create mode 100644 tools/testing/selftests/ftrace/boottime/bootconfigs/01-kprobe.bconf
create mode 100644 tools/testing/selftests/ftrace/boottime/bootconfigs/02-synth.bconf
create mode 100644 tools/testing/selftests/ftrace/boottime/bootconfigs/03-eprobe.bconf
create mode 100644 tools/testing/selftests/ftrace/boottime/bootconfigs/04-fprobe.bconf
create mode 100644 tools/testing/selftests/ftrace/boottime/bootconfigs/05-tprobe.bconf
create mode 100644 tools/testing/selftests/ftrace/boottime/bootconfigs/06-instance.bconf
create mode 100644 tools/testing/selftests/ftrace/boottime/cmdlines/cmdline-01-ftrace.cmdline
create mode 100644 tools/testing/selftests/ftrace/boottime/cmdlines/cmdline-02-trace-event.cmdline
create mode 100644 tools/testing/selftests/ftrace/boottime/cmdlines/cmdline-03-trace-buf-size.cmdline
create mode 100644 tools/testing/selftests/ftrace/boottime/cmdlines/cmdline-04-trace-options.cmdline
create mode 100644 tools/testing/selftests/ftrace/boottime/cmdlines/cmdline-05-trace-clock.cmdline
create mode 100644 tools/testing/selftests/ftrace/boottime/cmdlines/cmdline-06-trace-instance.cmdline
create mode 100644 tools/testing/selftests/ftrace/boottime/cmdlines/persistent-01-reserve-mem.cmdline
create mode 100644 tools/testing/selftests/ftrace/boottime/cmdlines/persistent-02-backup-instance.cmdline
create mode 100755 tools/testing/selftests/ftrace/boottime/run_boottime_test.sh
create mode 100644 tools/testing/selftests/ftrace/boottime/tests/01-kprobe.sh
create mode 100644 tools/testing/selftests/ftrace/boottime/tests/02-synth.sh
create mode 100644 tools/testing/selftests/ftrace/boottime/tests/03-eprobe.sh
create mode 100644 tools/testing/selftests/ftrace/boottime/tests/04-fprobe.sh
create mode 100644 tools/testing/selftests/ftrace/boottime/tests/05-tprobe.sh
create mode 100644 tools/testing/selftests/ftrace/boottime/tests/06-instance.sh
create mode 100644 tools/testing/selftests/ftrace/boottime/tests/cmdline-01-ftrace.sh
create mode 100644 tools/testing/selftests/ftrace/boottime/tests/cmdline-02-trace-event.sh
create mode 100644 tools/testing/selftests/ftrace/boottime/tests/cmdline-03-trace-buf-size.sh
create mode 100644 tools/testing/selftests/ftrace/boottime/tests/cmdline-04-trace-options.sh
create mode 100644 tools/testing/selftests/ftrace/boottime/tests/cmdline-05-trace-clock.sh
create mode 100644 tools/testing/selftests/ftrace/boottime/tests/cmdline-06-trace-instance.sh
create mode 100644 tools/testing/selftests/ftrace/boottime/tests/persistent-01-reserve-mem.sh
create mode 100644 tools/testing/selftests/ftrace/boottime/tests/persistent-02-backup-instance.sh
--
Masami Hiramatsu (Google) <mhiramat@xxxxxxxxxx>