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That's very interesting.
Quick fix, let see if it works:
diff --git a/src/common/sessiond-comm/sessiond-comm.c
b/src/common/sessiond-comm/sessiond-comm.c
index 03e8931..106041f 100644
- --- a/src/common/sessiond-comm/sessiond-comm.c
+++ b/src/common/sessiond-comm/sessiond-comm.c
@@ -257,7 +257,7 @@ ssize_t lttcomm_recv_unix_sock(int sock, void *buf, size_t
len)
msg.msg_iov = iov;
msg.msg_iovlen = 1;
- - ret = recvmsg(sock, &msg, 0);
+ ret = recvmsg(sock, &msg, MSG_WAITALL);
if (ret < 0) {
perror("recvmsg");
}
Thanks!
Getting there :)
David
On 12-01-23 05:37 PM, Thibault, Daniel wrote:
> I've narrowed it down to lttng-ctl.ask_sessiond(): the first
> recv_data_sessiond() call expects 16 bytes (sizeof(llm)) and gets 16 bytes.
> llm.data_size holds the payload size (in bytes), which is what the second
> recv_data_sessiond() call expects...But it receives only 15 984 bytes of the
> expected 41 208. The problem is that ask_sessiond() then reports the
> asked-for size as what it returned, without checking if they match. 15 984
> bytes is 19 event records and 78% of a 20th record, which is exactly what we
> see in the session log (events 21 onward are blank).
>
> Daniel U. Thibault
> R & D pour la défense Canada - Valcartier (RDDC Valcartier) / Defence R&D
> Canada - Valcartier (DRDC Valcartier)
> Système de systèmes (SdS) / System of Systems (SoS)
> Solutions informatiques et expérimentations (SIE) / Computing Solutions and
> Experimentations (CSE)
> 2459 Boul. Pie XI Nord
> Québec, QC G3J 1X5
> CANADA
> Vox : (418) 844-4000 x4245
> Fax : (418) 844-4538
> NAC: 918V QSDJ
> Gouvernement du Canada / Government of Canada
> <http://www.valcartier.drdc-rddc.gc.ca/>
>
> _______________________________________________
> lttng-dev mailing list
> [email protected]
> http://lists.lttng.org/cgi-bin/mailman/listinfo/lttng-dev
>
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