diff options
Diffstat (limited to 'tools')
| -rwxr-xr-x | tools/guest-diag/cuda_cycle.sh | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/tools/guest-diag/cuda_cycle.sh b/tools/guest-diag/cuda_cycle.sh index 19143a2..cc333fb 100755 --- a/tools/guest-diag/cuda_cycle.sh +++ b/tools/guest-diag/cuda_cycle.sh @@ -33,15 +33,16 @@ timeout 30 "$VMEXEC" exec \ >/dev/null 2>&1 echo "[*] waiting for 20 GR channels" -for i in $(seq 1 90); do - sleep 2 - echo 1 | sudo tee /sys/module/open_iov_vfio/parameters/chan_dump >/dev/null - sleep 1 - n=$(sudo dmesg -T | grep "sema-chan-dump" | grep "eng=0" | wc -l) +# The client times out its context-init wait in ~30 s, so detection must be +# cheap: count the per-channel first-pump log lines straight from dmesg +# instead of round-tripping through the chan_dump parameter every second. +for i in $(seq 1 240); do + n=$(sudo dmesg -T | grep -c "sema-chan: h=0x5c" || true) if [ "$n" -ge 20 ]; then echo " GR channels up (poll $i)" break fi + sleep 0.5 done echo "[*] injecting counters" |