From 2c001647e47455544739fc8f4e841c6b93cbe32f Mon Sep 17 00:00:00 2001 From: Arthur Hanson Rasmusson Date: Wed, 30 Sep 2026 00:06:42 -0400 Subject: gsprm: reply-latency logging + param dump cap; guest-diag: CDT_PAUSE, watcher reaping, wider CE stream window --- tools/guest-diag/guest_pin_stream.py | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) (limited to 'tools/guest-diag/guest_pin_stream.py') diff --git a/tools/guest-diag/guest_pin_stream.py b/tools/guest-diag/guest_pin_stream.py index 2f99bbd..94e4de9 100644 --- a/tools/guest-diag/guest_pin_stream.py +++ b/tools/guest-diag/guest_pin_stream.py @@ -32,9 +32,13 @@ REGION = 0x200000 SPAN = int(os.environ.get("STREAM_SPAN", "0x80000"), 16) # CE push-buffer window: one 1 MB allocation per CE channel at # 0x120000000 + 0x100000*rank; SPAN2 covers the 1 MB boundary inside a -# 2 MB region. +# 2 MB region. Extend HI2 to 0x121400000: the UVM semaphore pool (the +# tracker sems the client's context-init wait polls, pool word at +# 0x121000000 + 4*idx) lives above the push buffers and must reach the host +# through this fast stream - otherwise only the slow QMP chain resolution +# pins it, and the pin lands after the client's RM thread-state deadline. LO2 = int(os.environ.get("STREAM_LO2", "0x120000000"), 16) -HI2 = int(os.environ.get("STREAM_HI2", "0x120600000"), 16) +HI2 = int(os.environ.get("STREAM_HI2", "0x121400000"), 16) SPAN2 = int(os.environ.get("STREAM_SPAN2", "0x180000"), 16) TRACE = ("/sys/kernel/tracing/trace" if os.path.exists("/sys/kernel/tracing/trace") -- cgit v1.2.3