From 9a908f0082f30b45b2fc0ea1289ed2f74bf64917 Mon Sep 17 00:00:00 2001 From: Arthur Hanson Rasmusson Date: Tue, 29 Sep 2026 15:42:58 -0400 Subject: guest-diag: scan 512KB per 2MB region and start window at 0x200000000 (cover GR GPFIFO rings) --- tools/guest-diag/guest_pin_stream.py | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) (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 1ff0d3f..8d0b34d 100644 --- a/tools/guest-diag/guest_pin_stream.py +++ b/tools/guest-diag/guest_pin_stream.py @@ -25,7 +25,10 @@ PAMAX = int(sys.argv[5], 16) if len(sys.argv) > 5 else 0x180000000 INTERVAL = float(os.environ.get("STREAM_INTERVAL", "0.25")) BATCH = 4096 REGION = 0x200000 -SPAN = int(os.environ.get("STREAM_SPAN", "0x10000"), 16) +# The GR GPFIFO rings sit at 0x20020c000 + 0x3000*rank (region offset 0xc000 +# ..0x45000) and the per-channel push allocations follow; 512 KB per 2 MB +# region covers both without scanning holes that hold nothing. +SPAN = int(os.environ.get("STREAM_SPAN", "0x80000"), 16) TRACE = ("/sys/kernel/tracing/trace" if os.path.exists("/sys/kernel/tracing/trace") else "/sys/kernel/debug/tracing/trace") -- cgit v1.2.3