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| author | Mark Johnston <markj@FreeBSD.org> | 2021-01-14 16:41:28 +0000 |
|---|---|---|
| committer | Mark Johnston <markj@FreeBSD.org> | 2021-01-14 16:41:28 +0000 |
| commit | a33b29a0447b24a054ecc48e51355d2abf7e6b5b (patch) | |
| tree | 6f4e2c36f3822381639247e7a6009244686ba069 | |
| parent | 95ee7d9b879ce42088277c85d85e61f6c79674ad (diff) | |
| download | src-a33b29a0447b24a054ecc48e51355d2abf7e6b5b.tar.gz src-a33b29a0447b24a054ecc48e51355d2abf7e6b5b.zip | |
qat: Count request allocation failures
This can be useful for troubleshooting performance problems.
MFC after: 3 days
Sponsored by: Rubicon Communications, LLC (Netgate)
| -rw-r--r-- | sys/dev/qat/qat.c | 5 | ||||
| -rw-r--r-- | sys/dev/qat/qatvar.h | 1 |
2 files changed, 6 insertions, 0 deletions
diff --git a/sys/dev/qat/qat.c b/sys/dev/qat/qat.c index 68cb17078c25..6f74ff3b4bc1 100644 --- a/sys/dev/qat/qat.c +++ b/sys/dev/qat/qat.c @@ -1596,6 +1596,10 @@ qat_crypto_init(struct qat_softc *sc) SYSCTL_ADD_COUNTER_U64(ctx, children, OID_AUTO, "ring_full", CTLFLAG_RD, &sc->sc_ring_full_restarts, "Requests deferred due to in-flight max reached"); + sc->sc_sym_alloc_failures = counter_u64_alloc(M_WAITOK); + SYSCTL_ADD_COUNTER_U64(ctx, children, OID_AUTO, "sym_alloc_failures", + CTLFLAG_RD, &sc->sc_sym_alloc_failures, + "Request allocation failures"); return 0; } @@ -2069,6 +2073,7 @@ qat_process(device_t dev, struct cryptop *crp, int hint) qsc = qat_crypto_alloc_sym_cookie(qcb); if (qsc == NULL) { + counter_u64_add(sc->sc_sym_alloc_failures, 1); error = ENOBUFS; goto fail2; } diff --git a/sys/dev/qat/qatvar.h b/sys/dev/qat/qatvar.h index f3245ad725b6..3326dc268fc1 100644 --- a/sys/dev/qat/qatvar.h +++ b/sys/dev/qat/qatvar.h @@ -818,6 +818,7 @@ struct qat_softc { counter_u64_t sc_gcm_aad_restarts; counter_u64_t sc_gcm_aad_updates; counter_u64_t sc_ring_full_restarts; + counter_u64_t sc_sym_alloc_failures; /* Firmware */ void *sc_fw_mof; /* mof data */ |