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poll: Count failed procedures 

When a timeout has occured several times, the procedures handled by
poll_timeout are aborted. This happens when the number of repetitions
exceed N3105. Currently only the timeouts themselves are counted.

This commits adds counters that are incremented if a procedure has
really failed.

New counter:
- rlc.ass.failed:   Count failing UL and DL assigments via PACCH
- rlc.ack.failed:   Count failing DL Ack/Nack requests

Sponsored-by: On-Waves ehf
This commit is contained in:
Jacob Erlbeck 2015-09-07 14:04:56 +02:00
parent c8cbfc2c98
commit 7c8d39a67b
3 changed files with 11 additions and 0 deletions
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2
src/bts.cpp
View File

@ -62,7 +62,9 @@ static const struct rate_ctr_desc bts_ctr_description[] = {
{ "rlc.stalled", "RLC Stalled "},
{ "rlc.nacked", "RLC Nacked "},
{ "rlc.ass.timedout", "RLC Assign Timeout "},
{ "rlc.ass.failed", "RLC Assign Failed "},
{ "rlc.ack.timedout", "RLC Ack Timeout "},
{ "rlc.ack.failed", "RLC Ack Failed "},
{ "rlc.rel.timedout", "RLC Release Timeout "},
{ "rlc.late-block", "RLC Late Block "},
{ "decode.errors", "Decode Errors "},

6
src/bts.h
View File

@ -218,7 +218,9 @@ public:
CTR_RLC_STALLED,
CTR_RLC_NACKED,
CTR_RLC_ASS_TIMEDOUT,
CTR_RLC_ASS_FAILED,
CTR_RLC_ACK_TIMEDOUT,
CTR_RLC_ACK_FAILED,
CTR_RLC_REL_TIMEDOUT,
CTR_RLC_LATE_BLOCK,
CTR_DECODE_ERRORS,
@ -285,7 +287,9 @@ public:
void rlc_stalled();
void rlc_nacked();
void rlc_ass_timedout();
void rlc_ass_failed();
void rlc_ack_timedout();
void rlc_ack_failed();
void rlc_rel_timedout();
void rlc_late_block();
void decode_error();
@ -393,7 +397,9 @@ CREATE_COUNT_INLINE(rlc_restarted, CTR_RLC_RESTARTED)
CREATE_COUNT_INLINE(rlc_stalled, CTR_RLC_STALLED)
CREATE_COUNT_INLINE(rlc_nacked, CTR_RLC_NACKED)
CREATE_COUNT_INLINE(rlc_ass_timedout, CTR_RLC_ASS_TIMEDOUT);
CREATE_COUNT_INLINE(rlc_ass_failed, CTR_RLC_ASS_FAILED);
CREATE_COUNT_INLINE(rlc_ack_timedout, CTR_RLC_ACK_TIMEDOUT);
CREATE_COUNT_INLINE(rlc_ack_failed, CTR_RLC_ACK_FAILED);
CREATE_COUNT_INLINE(rlc_rel_timedout, CTR_RLC_REL_TIMEDOUT);
CREATE_COUNT_INLINE(rlc_late_block, CTR_RLC_LATE_BLOCK);
CREATE_COUNT_INLINE(decode_error, CTR_DECODE_ERRORS)

3
src/tbf.cpp
View File

@ -473,6 +473,7 @@ void gprs_rlcmac_tbf::poll_timeout()
LOGP(DRLCMAC, LOGL_NOTICE, "- N3105 exceeded\n");
set_state(GPRS_RLCMAC_RELEASING);
tbf_timer_start(this, 3195, bts_data()->t3195, 0);
bts->rlc_ass_failed();
return;
}
/* reschedule UL assignment */
@ -492,6 +493,7 @@ void gprs_rlcmac_tbf::poll_timeout()
LOGP(DRLCMAC, LOGL_NOTICE, "- N3105 exceeded\n");
set_state(GPRS_RLCMAC_RELEASING);
tbf_timer_start(this, 3195, bts_data()->t3195, 0);
bts->rlc_ass_failed();
return;
}
/* reschedule DL assignment */
@ -514,6 +516,7 @@ void gprs_rlcmac_tbf::poll_timeout()
LOGP(DRLCMAC, LOGL_NOTICE, "- N3105 exceeded\n");
dl_tbf->set_state(GPRS_RLCMAC_RELEASING);
tbf_timer_start(dl_tbf, 3195, dl_tbf->bts_data()->t3195, 0);
bts->rlc_ack_failed();
return;
}
/* resend IMM.ASS on CCCH on timeout */