On Sat, May 01, 2021 at 12:31:57AM +0300, Özkan KIRIK wrote:
> Hello again,
>
> patch is applied, now netisr is not eating CPU. but performance drops
> around 0.2Gbps according to previous kernel.
>
> I tried also both net.isr.maxthreads=1 and net.isr.maxthreads=4 . results
> are same
>
> Results are:
>
> - with CCR - 1.8Gbps
> top:
> PID USERNAME PRI NICE SIZE RES STATE C TIME WCPU COMMAND
> 14 root -16 - 0B 16K CPU5 5 1:38 100.00% [crypto
> returns 8]
> 3 root -16 - 0B 16K CPU1 1 0:58 77.83% [crypto
> returns 0]
Could you also try this patch? It won't help with aesni.
diff --git a/sys/opencrypto/crypto.c b/sys/opencrypto/crypto.c
index dfd22662e87f..bc23056e86ad 100644
--- a/sys/opencrypto/crypto.c
+++ b/sys/opencrypto/crypto.c
@@ -94,6 +94,7 @@ struct crypto_session {
void *softc;
uint32_t hid;
uint32_t capabilities;
+ uint64_t id;
};
SDT_PROVIDER_DEFINE(opencrypto);
@@ -572,6 +573,7 @@ crypto_select_driver(const struct cryptoini *cri, int flags)
int
crypto_newsession(crypto_session_t *cses, struct cryptoini *cri, int crid)
{
+ static uint64_t sessid = 0;
crypto_session_t res;
void *softc_mem;
struct cryptocap *cap;
@@ -616,6 +618,7 @@ crypto_newsession(crypto_session_t *cses, struct cryptoini
*cri, int crid)
softc_mem = malloc(softc_size, M_CRYPTO_DATA, M_WAITOK | M_ZERO);
res = uma_zalloc(cryptoses_zone, M_WAITOK | M_ZERO);
res->softc = softc_mem;
+ res->id = atomic_fetchadd_64(&sessid, 1);
CRYPTO_DRIVER_LOCK();
cap = crypto_checkdriver(hid);
@@ -1016,7 +1019,7 @@ crypto_dispatch(struct cryptop *crp)
binuptime(&crp->crp_tstamp);
#endif
- crp->crp_retw_id = ((uintptr_t)crp->crp_session) % crypto_workers_num;
+ crp->crp_retw_id = crp->crp_session->id % crypto_workers_num;
if (CRYPTOP_ASYNC(crp)) {
if (crp->crp_flags & CRYPTO_F_ASYNC_KEEPORDER) {
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