You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
84 lines
2.1 KiB
84 lines
2.1 KiB
/* Copyright (c) 2014,2017 The Linux Foundation. All rights reserved.
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License version 2 and
|
|
* only version 2 as published by the Free Software Foundation.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*/
|
|
#if !defined(_PERF_TRACE_USER_H_) || defined(TRACE_HEADER_MULTI_READ)
|
|
#define _PERF_TRACE_USER_H_
|
|
|
|
#undef TRACE_SYSTEM
|
|
#define TRACE_SYSTEM perf_trace_counters
|
|
|
|
#include <linux/tracepoint.h>
|
|
|
|
#define CNTENSET_CC 0x80000000
|
|
#define NUM_L1_CTRS 6
|
|
|
|
TRACE_EVENT(perf_trace_user,
|
|
TP_PROTO(char *string, u32 cnten_val),
|
|
TP_ARGS(string, cnten_val),
|
|
|
|
TP_STRUCT__entry(
|
|
__field(u32, cctr)
|
|
__field(u32, ctr0)
|
|
__field(u32, ctr1)
|
|
__field(u32, ctr2)
|
|
__field(u32, ctr3)
|
|
__field(u32, ctr4)
|
|
__field(u32, ctr5)
|
|
__string(user_string, string)
|
|
),
|
|
|
|
TP_fast_assign(
|
|
u32 cnt;
|
|
u32 l1_cnts[NUM_L1_CTRS];
|
|
int i;
|
|
|
|
if (cnten_val & CNTENSET_CC) {
|
|
/* Read value */
|
|
cnt = read_sysreg(pmccntr_el0);
|
|
__entry->cctr = cnt;
|
|
} else
|
|
__entry->cctr = 0;
|
|
for (i = 0; i < NUM_L1_CTRS; i++) {
|
|
if (cnten_val & (1 << i)) {
|
|
/* Select */
|
|
write_sysreg(i, pmselr_el0);
|
|
isb();
|
|
/* Read value */
|
|
cnt = read_sysreg(pmxevcntr_el0);
|
|
l1_cnts[i] = cnt;
|
|
} else {
|
|
l1_cnts[i] = 0;
|
|
}
|
|
}
|
|
|
|
__entry->ctr0 = l1_cnts[0];
|
|
__entry->ctr1 = l1_cnts[1];
|
|
__entry->ctr2 = l1_cnts[2];
|
|
__entry->ctr3 = l1_cnts[3];
|
|
__entry->ctr4 = l1_cnts[4];
|
|
__entry->ctr5 = l1_cnts[5];
|
|
__assign_str(user_string, string);
|
|
),
|
|
|
|
TP_printk("CCNTR: %u, CTR0: %u, CTR1: %u, CTR2: %u, CTR3: %u, CTR4: %u, CTR5: %u, MSG=%s",
|
|
__entry->cctr,
|
|
__entry->ctr0, __entry->ctr1,
|
|
__entry->ctr2, __entry->ctr3,
|
|
__entry->ctr4, __entry->ctr5,
|
|
__get_str(user_string)
|
|
)
|
|
);
|
|
|
|
#endif
|
|
#undef TRACE_INCLUDE_PATH
|
|
#define TRACE_INCLUDE_PATH ../../arch/arm64/kernel
|
|
#define TRACE_INCLUDE_FILE perf_trace_user
|
|
#include <trace/define_trace.h>
|
|
|