cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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mem-events.c (1151B)

      1// SPDX-License-Identifier: GPL-2.0
      2#include "map_symbol.h"
      3#include "mem-events.h"
      4
      5#define E(t, n, s) { .tag = t, .name = n, .sysfs_name = s }
      6
      7static struct perf_mem_event perf_mem_events[PERF_MEM_EVENTS__MAX] = {
      8	E("spe-load",	"arm_spe_0/ts_enable=1,pa_enable=1,load_filter=1,store_filter=0,min_latency=%u/",	"arm_spe_0"),
      9	E("spe-store",	"arm_spe_0/ts_enable=1,pa_enable=1,load_filter=0,store_filter=1/",			"arm_spe_0"),
     10	E("spe-ldst",	"arm_spe_0/ts_enable=1,pa_enable=1,load_filter=1,store_filter=1,min_latency=%u/",	"arm_spe_0"),
     11};
     12
     13static char mem_ev_name[100];
     14
     15struct perf_mem_event *perf_mem_events__ptr(int i)
     16{
     17	if (i >= PERF_MEM_EVENTS__MAX)
     18		return NULL;
     19
     20	return &perf_mem_events[i];
     21}
     22
     23char *perf_mem_events__name(int i, char *pmu_name __maybe_unused)
     24{
     25	struct perf_mem_event *e = perf_mem_events__ptr(i);
     26
     27	if (i >= PERF_MEM_EVENTS__MAX)
     28		return NULL;
     29
     30	if (i == PERF_MEM_EVENTS__LOAD || i == PERF_MEM_EVENTS__LOAD_STORE)
     31		scnprintf(mem_ev_name, sizeof(mem_ev_name),
     32			  e->name, perf_mem_events__loads_ldlat);
     33	else /* PERF_MEM_EVENTS__STORE */
     34		scnprintf(mem_ev_name, sizeof(mem_ev_name), e->name);
     35
     36	return mem_ev_name;
     37}