Subject tracing: fgraph: cut the cost of the shadow stack retry loop
Author vineet.gupta@linux.dev
Date 2026-09-22 22:55:25 +0000 UTC
Version
Cc andrii@kernel.org bpf@vger.kernel.org kernel-team@meta.com linux-kernel@vger.kernel.org linux-trace-kernel@vger.kernel.org mark.rutland@arm.com mathieu.desnoyers@efficios.com mhiramat@kernel.org peterz@infradead.org rostedt@goodmis.org stable@vger.kernel.org vineet.gupta@linux.dev
Patches (2)
Name Content [All]
[PATCH 1/2] tracing: fgraph: Raise FTRACE_RETSTACK_ALLOC_SIZE to 1024 [Body]
[PATCH 2/2] tracing: fgraph: Add a cond_resched() to the shadow stack retry loop [Body]
Series Summary
Passed
✓ All tests passed. No findings.
Sessions
Session 2026-09-22
Passed
ID (for dev) 115e3eee-4743-4108-921b-edfd6e0a1f3d
Status finished
Triaged OK [Log] [Trajectory]
Execution Log [Link]
Test Base Patched Verdict
[KASAN] Build Base 93df8ae3267f19bf0c1135d26a0e21145dd0ea1c [Config] passed [Log]
[KASAN] Boot test: Base 93df8ae3267f19bf0c1135d26a0e21145dd0ea1c [Config] passed [Log]
[KASAN] Build Patched 93df8ae3267f19bf0c1135d26a0e21145dd0ea1c [Config] [patched] passed [Log]
[KASAN] Boot test: Patched 93df8ae3267f19bf0c1135d26a0e21145dd0ea1c [Config] [patched] passed [Log]
[KASAN] Fuzz 93df8ae3267f19bf0c1135d26a0e21145dd0ea1c [Config] 93df8ae3267f19bf0c1135d26a0e21145dd0ea1c [Config] [patched] passed [Log] [Artifacts]