mirror of
https://github.com/astromaddie/lambda1-vr.git
synced 2026-10-29 04:00:18 +01:00
Madison
77150eeb57
[vr-perf] now has the game thread's own CPU time per frame (CLOCK_THREAD_CPUTIME_ID), the time in xrWaitFrame and in acquiring the swapchain image (with its wait), and the eye size, so the split between work and waiting is there (lessons 39, 50, 62). The load key loads a save instead of starting a map, exit_seconds leaves after that many seconds of rendering. perf_run.sh does one run and adds the Adreno's time at each frequency over it.
62 lines
2.6 KiB
Bash
Executable File
62 lines
2.6 KiB
Bash
Executable File
#!/usr/bin/env bash
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# One unattended performance run: starts the game with force_render for N seconds with the given
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# diag keys, then prints the [vr-perf] lines of the run and the Adreno's time at each frequency over it
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# (devfreq trans_stat, so the share at the top frequency says if the GPU was saturated).
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#
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# tools/steam_frame/perf_run.sh --lock-holder NAME [--seconds 70] [--load SAVE | --map MAP] [--diag K=V ...]
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#
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# Several runs per setting, and say what the setting was (the first [vr-perf] line has the eye size and the rate):
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# a single run can be a compositor state, not the setting (lesson 67).
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set -euo pipefail
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root="$(cd "$(dirname "$0")/../.." && pwd)"
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frame_host="${FRAME_HOST:-steamos@192.168.1.31}"
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seconds=70
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holder=""
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start=()
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diag=()
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while (($#)); do
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case "$1" in
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--lock-holder) holder="$2"; shift 2 ;;
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--seconds) seconds="$2"; shift 2 ;;
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--load) start=(--diag "load=$2"); shift 2 ;;
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--map) start=(--diag "map=$2"); shift 2 ;;
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--diag) diag+=(--diag "$2"); shift 2 ;;
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*) echo "unknown option $1" >&2; exit 1 ;;
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esac
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done
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[[ -n "$holder" ]] || { echo "need --lock-holder" >&2; exit 1; }
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gpu='/sys/class/devfreq/3d00000.gpu/trans_stat'
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snap() { ssh -o BatchMode=yes "$frame_host" "cat $gpu" 2>/dev/null || true; }
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"$root/tools/steam_frame/deploy.sh" --lock-holder "$holder" --no-install --diag-reset --clear-dumps \
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--diag force_render=1 --diag perf=1 "${start[@]}" "${diag[@]}" --diag "exit_seconds=$((seconds))" --no-launch >/dev/null 2>&1
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before="$(snap)"
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"$root/tools/steam_frame/deploy.sh" --lock-holder "$holder" --no-install --logcat $((seconds + 12)) 2>&1 | grep -E "vr-perf|\[openxr\] (refresh|eye image|frame period)|FORTIFY" || true
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after="$(snap)"
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python3 - "$before" "$after" <<'PY'
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import sys
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def rows(t):
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r = {}
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for line in t.splitlines():
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line = line.replace("*", " ")
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if ":" in line and line.strip()[0].isdigit():
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head, _, rest = line.partition(":")
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try:
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r[int(head.strip())] = int(rest.split()[-1])
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except (ValueError, IndexError):
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pass
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return r
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b, a = rows(sys.argv[1]), rows(sys.argv[2])
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if a and b:
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d = {k: a[k] - b.get(k, 0) for k in a}
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total = sum(d.values()) or 1
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top = max(d)
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print("gpu devfreq time at each frequency over the run (Hz: ms, share):")
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for k in sorted(d):
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if d[k]:
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print(" %d: %d ms, %.1f%%" % (k, d[k], 100.0 * d[k] / total))
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print("gpu at the top frequency %d: %.1f%%" % (top, 100.0 * d[top] / total))
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else:
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print("no devfreq trans_stat")
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PY
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