Mythreya
6a4321c4e3
Revision - Addition [Impact SoC: MI200, MI300]
Note: this set of counters are important help understand the
bottleneck.
1. TCC_TAG_STALL
a. Metric: TCC_TAG_STALL/TCC_CYCLE: percentage of time TCC
tag lookup pipeline is stalled
2. TCP_TCR_TCP_STALL_CYCLES
a. Metric: TCP_TCR_TCP_STALL_CYCLES/TCP_GATE_EN1: percentage
of time TCP is stalled by TCR
Revision - Addition [Impact SoC: MI300]
3. TCC_BUBBLE:
a. Definition: Number of 128-byte read requests sent to EA
b. Revised Metric #1, TCC-EA Read BW:
ReadBW = 128 * TCC_BUBBLE
+ 64 * (TCC_EA0_RDREQ - TCC_BUBBLE - TCC_EA0_RDREQ_32B)
+ 32 * TCC_EA0_RDREQ_32B
c. Revised Metric #2: TCC_EA Read Latency
ReadLatency = TCC_EA0_RDREQ_LEVEL / (TCC_BUBBLE + TCC_EA0_RDREQ)
/* [Fineprint] More detailed arithmetic:
* ReadLatency = TCC_EA0_RDREQ_LEVEL / (#32B_req + #64B_req + #128B_req * 2)
*/
Change-Id: I0a2dfc1b64ca97023b1e8ba0f9830330b3034946
[ROCm/rocprofiler commit: 46e02a9866]