Module Name: src
Committed By: jmcneill
Date: Sun Jul 15 16:25:31 UTC 2018
Modified Files:
src/usr.sbin/tprof: Makefile
Added Files:
src/usr.sbin/tprof/arch: tprof_armv8.c
Log Message:
Add ARMv8 support.
To generate a diff of this commit:
cvs rdiff -u -r1.5 -r1.6 src/usr.sbin/tprof/Makefile
cvs rdiff -u -r0 -r1.1 src/usr.sbin/tprof/arch/tprof_armv8.c
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/usr.sbin/tprof/Makefile
diff -u src/usr.sbin/tprof/Makefile:1.5 src/usr.sbin/tprof/Makefile:1.6
--- src/usr.sbin/tprof/Makefile:1.5 Fri Jul 13 11:03:36 2018
+++ src/usr.sbin/tprof/Makefile Sun Jul 15 16:25:31 2018
@@ -1,4 +1,4 @@
-# $NetBSD: Makefile,v 1.5 2018/07/13 11:03:36 maxv Exp $
+# $NetBSD: Makefile,v 1.6 2018/07/15 16:25:31 jmcneill Exp $
.PATH: ${.CURDIR}/arch
@@ -8,6 +8,8 @@ SRCS= tprof.c tprof_analyze.c
.if ${MACHINE_ARCH} == "i386" || ${MACHINE_ARCH} == "x86_64"
SRCS+= tprof_x86.c
+.elif ${MACHINE_ARCH} == "aarch64"
+SRCS+= tprof_armv8.c
.else
SRCS+= tprof_noarch.c
.endif
Added files:
Index: src/usr.sbin/tprof/arch/tprof_armv8.c
diff -u /dev/null src/usr.sbin/tprof/arch/tprof_armv8.c:1.1
--- /dev/null Sun Jul 15 16:25:31 2018
+++ src/usr.sbin/tprof/arch/tprof_armv8.c Sun Jul 15 16:25:31 2018
@@ -0,0 +1,180 @@
+/* $NetBSD: tprof_armv8.c,v 1.1 2018/07/15 16:25:31 jmcneill Exp $ */
+
+/*-
+ * Copyright (c) 2018 Jared McNeill <jmcne...@invisible.ca>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#include <sys/cdefs.h>
+#include <sys/types.h>
+
+#include <err.h>
+#include <stdio.h>
+#include <stdint.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include <dev/tprof/tprof_ioctl.h>
+#include "../tprof.h"
+
+struct pmu_event {
+ uint16_t event;
+ const char *name;
+};
+
+struct pmu_event_table {
+ const char *name;
+ struct pmu_event *events;
+ u_int nevents;
+ struct pmu_event_table *next;
+};
+
+/*
+ * Common event numbers, from ARMv8 ARM.
+ */
+static struct pmu_event pmu_armv8_common_events[] = {
+ { 0x0000, "SW_INCR" },
+ { 0x0001, "L1I_CACHE_REFILL" },
+ { 0x0002, "L1I_TLB_REFILL" },
+ { 0x0003, "L1D_CACHE_REFILL" },
+ { 0x0004, "L1D_CACHE" },
+ { 0x0005, "L1D_TLB_REFILL" },
+ { 0x0006, "LD_RETIRED" },
+ { 0x0007, "ST_RETIRED" },
+ { 0x0008, "INST_RETIRED" },
+ { 0x0009, "EXC_TAKEN" },
+ { 0x000a, "EXC_RETURN" },
+ { 0x000b, "CID_WRITE_RETIRED" },
+ { 0x000c, "PC_WRITE_RETIRED" },
+ { 0x000d, "BR_IMMED_RETIRED" },
+ { 0x000e, "BR_RETURN_RETIRED" },
+ { 0x000f, "UNALIGNED_LDST_RETIRED" },
+ { 0x0010, "BR_MIS_PRED" },
+ { 0x0011, "CPU_CYCLES" },
+ { 0x0012, "BR_PRED" },
+ { 0x0013, "MEM_ACCESS" },
+ { 0x0014, "L1I_CACHE" },
+ { 0x0015, "L1D_CACHE_WB" },
+ { 0x0016, "L2D_CACHE" },
+ { 0x0017, "L2D_CACHE_REFILL" },
+ { 0x0018, "L2D_CACHE_WB" },
+ { 0x0019, "BUS_ACCESS" },
+ { 0x001a, "MEMORY_ERROR" },
+ { 0x001b, "INST_SPEC" },
+ { 0x001c, "TTBR_WRITE_RETIRED" },
+ { 0x001d, "BUS_CYCLES" },
+ { 0x001e, "CHAIN" },
+ { 0x001f, "L1D_CACHE_ALLOCATE" },
+ { 0x0020, "L2D_CACHE_ALLOCATE" },
+ { 0x0021, "BR_RETIRED" },
+ { 0x0022, "BR_MIS_PRED_RETIRED" },
+ { 0x0023, "STALL_FRONTEND" },
+ { 0x0024, "STALL_BACKEND" },
+ { 0x0025, "L1D_TLB" },
+ { 0x0026, "L1I_TLB" },
+ { 0x0027, "L2I_CACHE" },
+ { 0x0028, "L2I_CACHE_REFILL" },
+ { 0x0029, "L3D_CACHE_ALLOCATE" },
+ { 0x002a, "L3D_CACHE_REFILL" },
+ { 0x002b, "L3D_CACHE" },
+ { 0x002c, "L3D_CACHE_WB" },
+ { 0x002d, "L2D_TLB_REFILL" },
+ { 0x002e, "L2I_TLB_REFILL" },
+ { 0x002f, "L2D_TLB" },
+ { 0x0030, "L2I_TLB" },
+ { 0x0031, "REMOTE_ACCESS" },
+ { 0x0032, "LL_CACHE" },
+ { 0x0033, "LL_CACHE_MISS" },
+ { 0x0034, "DTLB_WALK" },
+ { 0x0035, "ITLB_WALK" },
+ { 0x0036, "LL_CACHE_RD" },
+ { 0x0037, "LL_CACHE_MISS_RD" },
+ { 0x0038, "REMOTE_ACCESS_RD" },
+};
+
+static struct pmu_event_table pmu_armv8 = {
+ .name = "ARMv8 common architectural and microarchitectural events",
+ .events = pmu_armv8_common_events,
+ .nevents = __arraycount(pmu_armv8_common_events),
+ .next = NULL
+};
+
+static struct pmu_event_table *events = NULL;
+
+int
+tprof_event_init(uint32_t ident)
+{
+ if (ident != TPROF_IDENT_ARMV8_GENERIC)
+ return -1;
+
+ events = &pmu_armv8;
+
+ return 0;
+}
+
+static void
+tprof_event_list_table(struct pmu_event_table *tbl)
+{
+ u_int n;
+
+ printf("%s:\n", tbl->name);
+ for (n = 0; n < tbl->nevents; n++) {
+ printf("\t%s\n", tbl->events[n].name);
+ }
+
+ if (tbl->next)
+ tprof_event_list_table(tbl->next);
+}
+
+void
+tprof_event_list(void)
+{
+ tprof_event_list_table(events);
+}
+
+static void
+tprof_event_lookup_table(const char *name, struct tprof_param *param,
+ struct pmu_event_table *tbl)
+{
+ u_int n;
+
+ for (n = 0; n < tbl->nevents; n++) {
+ if (strcmp(tbl->events[n].name, name) == 0) {
+ param->p_event = tbl->events[n].event;
+ param->p_unit = 0;
+ return;
+ }
+ }
+
+ if (tbl->next)
+ tprof_event_lookup_table(name, param, tbl->next);
+ else
+ errx(EXIT_FAILURE, "event '%s' unknown", name);
+}
+
+void
+tprof_event_lookup(const char *name, struct tprof_param *param)
+{
+ tprof_event_lookup_table(name, param, events);
+}
