* Copyright (c) 2013 Ben Noordhuis <info@bnoordhuis.nl>
* Copyright (c) 2013-2015 Dmitry V. Levin <ldv@altlinux.org>
* Copyright (c) 2016 Eugene Syromyatnikov <evgsyr@gmail.com>
+ * Copyright (c) 2015-2017 The strace developers.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
#include "perf_event_struct.h"
-#include "xlat/clocknames.h"
#include "xlat/hw_breakpoint_len.h"
#include "xlat/hw_breakpoint_type.h"
#include "xlat/perf_attr_size.h"
}
static int
-fetch_perf_event_attr(struct tcb *tcp, unsigned long addr)
+fetch_perf_event_attr(struct tcb *const tcp, const kernel_ulong_t addr)
{
struct pea_desc *desc;
struct perf_event_attr *attr;
} while (0)
static void
-print_perf_event_attr(struct tcb *tcp, unsigned long addr)
+print_perf_event_attr(struct tcb *const tcp, const kernel_ulong_t addr)
{
static const char *precise_ip_desc[] = {
"arbitrary skid",
}
PRINT_XLAT("{type=", perf_type_id, attr->type, "PERF_TYPE_???");
- tprintf(", size=");
+ tprints(", size=");
printxval(perf_attr_size, attr->size, "PERF_ATTR_SIZE_???");
if (use_new_size) {
if (use_new_size > 0)
printxval(perf_attr_size, new_size,
- "PERF_ATTR_SIZE_???");
+ "PERF_ATTR_SIZE_???");
else
tprints("???");
}
switch (attr->type) {
case PERF_TYPE_HARDWARE:
PRINT_XLAT(", config=", perf_hw_id, attr->config,
- "PERF_COUNT_HW_???");
+ "PERF_COUNT_HW_???");
break;
case PERF_TYPE_SOFTWARE:
PRINT_XLAT(", config=", perf_sw_ids, attr->config,
- "PERF_COUNT_SW_???");
+ "PERF_COUNT_SW_???");
break;
case PERF_TYPE_TRACEPOINT:
/*
* "The value to use in config can be obtained from under
- * debugfs tracing/events/../../id if ftrace is enabled in the
- * kernel."
+ * debugfs tracing/events/../../id if ftrace is enabled
+ * in the kernel."
*/
tprintf(", config=%" PRIu64, attr->config);
break;
* (perf_hw_cache_op_result_id << 16)
*/
PRINT_XLAT(", config=", perf_hw_cache_id, attr->config & 0xFF,
- "PERF_COUNT_HW_CACHE_???");
+ "PERF_COUNT_HW_CACHE_???");
PRINT_XLAT("|", perf_hw_cache_op_id, (attr->config >> 8) & 0xFF,
- "PERF_COUNT_HW_CACHE_OP_???");
+ "PERF_COUNT_HW_CACHE_OP_???");
/*
* Current code (see set_ext_hw_attr in arch/x86/events/core.c,
* tile_map_cache_event in arch/tile/kernel/perf_event.c,
* that cache result is 8 bits in size.
*/
PRINT_XLAT("<<8|", perf_hw_cache_op_result_id,
- (attr->config >> 16) & 0xFF,
- "PERF_COUNT_HW_CACHE_RESULT_???");
- tprintf("<<16");
- if (attr->config >> 24)
- tprintf("|%#" PRIx64 "<<24 "
- "/* PERF_COUNT_HW_CACHE_??? */",
- attr->config >> 24);
+ (attr->config >> 16) & 0xFF,
+ "PERF_COUNT_HW_CACHE_RESULT_???");
+ tprints("<<16");
+ if (attr->config >> 24) {
+ tprintf("|%#" PRIx64 "<<24", attr->config >> 24);
+ tprints_comment("PERF_COUNT_HW_CACHE_???");
+ }
break;
case PERF_TYPE_RAW:
/*
else
tprintf(", sample_period=%" PRIu64, attr->sample_period);
- tprintf(", sample_type=");
+ tprints(", sample_type=");
printflags64(perf_event_sample_format, attr->sample_type,
"PERF_SAMPLE_???");
- tprintf(", read_format=");
+ tprints(", read_format=");
printflags64(perf_event_read_format, attr->read_format,
"PERF_FORMAT_???");
tprintf(", disabled=%u"
- ", inherit=%u"
- ", pinned=%u"
- ", exclusive=%u"
- ", exclusive_user=%u"
- ", exclude_kernel=%u"
- ", exclude_hv=%u"
- ", exclude_idle=%u"
- ", mmap=%u"
- ", comm=%u"
- ", freq=%u"
- ", inherit_stat=%u"
- ", enable_on_exec=%u"
- ", task=%u"
- ", watermark=%u"
- ", precise_ip=%u /* %s */"
- ", mmap_data=%u"
- ", sample_id_all=%u"
- ", exclude_host=%u"
- ", exclude_guest=%u"
- ", exclude_callchain_kernel=%u"
- ", exclude_callchain_user=%u"
- ", mmap2=%u"
- ", comm_exec=%u"
- ", use_clockid=%u"
- ", context_switch=%u"
- ", write_backward=%u",
- attr->disabled,
- attr->inherit,
- attr->pinned,
- attr->exclusive,
- attr->exclude_user,
- attr->exclude_kernel,
- attr->exclude_hv,
- attr->exclude_idle,
- attr->mmap,
- attr->comm,
- attr->freq,
- attr->inherit_stat,
- attr->enable_on_exec,
- attr->task,
- attr->watermark,
- attr->precise_ip, precise_ip_desc[attr->precise_ip],
- attr->mmap_data,
- attr->sample_id_all,
- attr->exclude_host,
- attr->exclude_guest,
- attr->exclude_callchain_kernel,
- attr->exclude_callchain_user,
- attr->mmap2,
- attr->comm_exec,
- attr->use_clockid,
- attr->context_switch,
- attr->write_backward);
+ ", inherit=%u"
+ ", pinned=%u"
+ ", exclusive=%u"
+ ", exclusive_user=%u"
+ ", exclude_kernel=%u"
+ ", exclude_hv=%u"
+ ", exclude_idle=%u"
+ ", mmap=%u"
+ ", comm=%u"
+ ", freq=%u"
+ ", inherit_stat=%u"
+ ", enable_on_exec=%u"
+ ", task=%u"
+ ", watermark=%u"
+ ", precise_ip=%u",
+ attr->disabled,
+ attr->inherit,
+ attr->pinned,
+ attr->exclusive,
+ attr->exclude_user,
+ attr->exclude_kernel,
+ attr->exclude_hv,
+ attr->exclude_idle,
+ attr->mmap,
+ attr->comm,
+ attr->freq,
+ attr->inherit_stat,
+ attr->enable_on_exec,
+ attr->task,
+ attr->watermark,
+ attr->precise_ip);
+ tprints_comment(precise_ip_desc[attr->precise_ip]);
+ tprintf(", mmap_data=%u"
+ ", sample_id_all=%u"
+ ", exclude_host=%u"
+ ", exclude_guest=%u"
+ ", exclude_callchain_kernel=%u"
+ ", exclude_callchain_user=%u"
+ ", mmap2=%u"
+ ", comm_exec=%u"
+ ", use_clockid=%u"
+ ", context_switch=%u"
+ ", write_backward=%u",
+ attr->mmap_data,
+ attr->sample_id_all,
+ attr->exclude_host,
+ attr->exclude_guest,
+ attr->exclude_callchain_kernel,
+ attr->exclude_callchain_user,
+ attr->mmap2,
+ attr->comm_exec,
+ attr->use_clockid,
+ attr->context_switch,
+ attr->write_backward);
/*
* Print it only in case it is non-zero, since it may contain flags we
* are not aware about.
*/
- if (attr->__reserved_1)
- tprintf(", __reserved_1=%#" PRIx64 " /* Bits 63..28 */",
- (uint64_t) attr->__reserved_1);
+ if (attr->__reserved_1) {
+ tprintf(", __reserved_1=%#" PRIx64,
+ (uint64_t) attr->__reserved_1);
+ tprints_comment("Bits 63..28");
+ }
if (attr->watermark)
tprintf(", wakeup_watermark=%u", attr->wakeup_watermark);
if (attr->type == PERF_TYPE_BREAKPOINT)
/* Any combination of R/W with X is deemed invalid */
PRINT_XLAT(", bp_type=", hw_breakpoint_type, attr->bp_type,
- (attr->bp_type <=
- (HW_BREAKPOINT_X | HW_BREAKPOINT_RW)) ?
- "HW_BREAKPOINT_INVALID" :
- "HW_BREAKPOINT_???");
+ (attr->bp_type <=
+ (HW_BREAKPOINT_X | HW_BREAKPOINT_RW)) ?
+ "HW_BREAKPOINT_INVALID" :
+ "HW_BREAKPOINT_???");
if (attr->type == PERF_TYPE_BREAKPOINT)
tprintf(", bp_addr=%#" PRIx64, attr->bp_addr);
_PERF_CHECK_FIELD(branch_sample_type);
if (attr->sample_type & PERF_SAMPLE_BRANCH_STACK) {
- tprintf(", branch_sample_type=");
+ tprints(", branch_sample_type=");
printflags64(perf_branch_sample_type, attr->branch_sample_type,
- "PERF_SAMPLE_BRANCH_???");
+ "PERF_SAMPLE_BRANCH_???");
}
_PERF_CHECK_FIELD(sample_regs_user);
*/
if (attr->sample_type & PERF_SAMPLE_STACK_USER)
tprintf(", sample_stack_user=%#" PRIx32,
- attr->sample_stack_user);
+ attr->sample_stack_user);
if (attr->use_clockid) {
_PERF_CHECK_FIELD(clockid);
- tprintf(", clockid=");
+ tprints(", clockid=");
printxval(clocknames, attr->clockid, "CLOCK_???");
}
print_perf_event_attr_out:
if ((attr->size && (attr->size > size)) ||
(!attr->size && (size < PERF_ATTR_SIZE_VER0)))
- tprintf(", ...");
+ tprints(", ...");
- tprintf("}");
+ tprints("}");
}
SYS_FUNC(perf_event_open)
(int) tcp->u_arg[1],
(int) tcp->u_arg[2],
(int) tcp->u_arg[3]);
- printflags_long(perf_event_open_flags, tcp->u_arg[4], "PERF_FLAG_???");
+ printflags64(perf_event_open_flags, tcp->u_arg[4], "PERF_FLAG_???");
return RVAL_DECODED | RVAL_FD;
}
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