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lib, zebra: Add a bit of code to look at fifo
When in a dev build add a bit of code to track max depth of a fifo and to allow zebra to report on it. Signed-off-by: Donald Sharp <sharpd@cumulusnetworks.com>
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parent
34fa087036
commit
03ed85a6c0
13
lib/stream.c
13
lib/stream.c
@ -1109,6 +1109,10 @@ struct stream_fifo *stream_fifo_new(void)
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/* Add new stream to fifo. */
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void stream_fifo_push(struct stream_fifo *fifo, struct stream *s)
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{
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#if defined DEV_BUILD
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size_t max, curmax;
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#endif
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if (fifo->tail)
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fifo->tail->next = s;
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else
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@ -1116,8 +1120,15 @@ void stream_fifo_push(struct stream_fifo *fifo, struct stream *s)
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fifo->tail = s;
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fifo->tail->next = NULL;
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#if !defined DEV_BUILD
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atomic_fetch_add_explicit(&fifo->count, 1, memory_order_release);
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#else
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max = atomic_fetch_add_explicit(&fifo->count, 1, memory_order_release);
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curmax = atomic_load_explicit(&fifo->max_count, memory_order_relaxed);
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if (max > curmax)
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atomic_store_explicit(&fifo->max_count, max,
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memory_order_relaxed);
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#endif
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}
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void stream_fifo_push_safe(struct stream_fifo *fifo, struct stream *s)
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@ -115,6 +115,9 @@ struct stream_fifo {
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/* number of streams in this fifo */
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_Atomic size_t count;
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#if defined DEV_BUILD
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_Atomic size_t max_count;
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#endif
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struct stream *head;
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struct stream *tail;
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@ -939,6 +939,11 @@ static void zebra_show_client_detail(struct vty *vty, struct zserv *client)
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vty_out(vty, "MAC-IP add notifications: %d\n", client->macipadd_cnt);
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vty_out(vty, "MAC-IP delete notifications: %d\n", client->macipdel_cnt);
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#if defined DEV_BUILD
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vty_out(vty, "Input Fifo: %zu:%zu Output Fifo: %zu:%zu\n",
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client->ibuf_fifo->count, client->ibuf_fifo->max_count,
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client->obuf_fifo->count, client->obuf_fifo->max_count);
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#endif
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vty_out(vty, "\n");
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return;
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}
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