perf tools: Fix various typos in comments

Fix ~124 single-word typos and a few spelling errors in the perf tooling code,
accumulated over the years.

Signed-off-by: Ingo Molnar <mingo@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: https://lore.kernel.org/r/20210321113734.GA248990@gmail.com
Link: http://lore.kernel.org/lkml/20210323160915.GA61903@gmail.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

72 files changed, 124 insertions, 123 deletions

diff --git a/tools/perf/Documentation/perf-buildid-cache.txt b/tools/perf/Documentation/perf-buildid-cache.txt
index bb167e32a1d7..cd8ce6e8ec12 100644
--- a/tools/perf/Documentation/perf-buildid-cache.txt
+++ b/tools/perf/Documentation/perf-buildid-cache.txt
@@ -57,7 +57,7 @@ OPTIONS
 -u::
 --update=::
 	Update specified file of the cache. Note that this doesn't remove
-	older entires since those may be still needed for annotating old
+	older entries since those may be still needed for annotating old
 	(or remote) perf.data. Only if there is already a cache which has
 	exactly same build-id, that is replaced by new one. It can be used
 	to update kallsyms and kernel dso to vmlinux in order to support
diff --git a/tools/perf/Documentation/perf-report.txt b/tools/perf/Documentation/perf-report.txt
index 87112e8d904e..822b16f05c15 100644
--- a/tools/perf/Documentation/perf-report.txt
+++ b/tools/perf/Documentation/perf-report.txt
@@ -475,7 +475,7 @@ OPTIONS
 	but probably we'll make the default not to show the switch-on/off events
         on the --group mode and if there is only one event besides the off/on ones,
 	go straight to the histogram browser, just like 'perf report' with no events
-	explicitely specified does.
+	explicitly specified does.
 
 --itrace::
 	Options for decoding instruction tracing data. The options are:
diff --git a/tools/perf/Documentation/perf-top.txt b/tools/perf/Documentation/perf-top.txt
index ee2024691d46..bba5ffb05463 100644
--- a/tools/perf/Documentation/perf-top.txt
+++ b/tools/perf/Documentation/perf-top.txt
@@ -317,7 +317,7 @@ Default is to monitor all CPUS.
 	but probably we'll make the default not to show the switch-on/off events
         on the --group mode and if there is only one event besides the off/on ones,
 	go straight to the histogram browser, just like 'perf top' with no events
-	explicitely specified does.
+	explicitly specified does.
 
 --stitch-lbr::
 	Show callgraph with stitched LBRs, which may have more complete
diff --git a/tools/perf/arch/arm/util/cs-etm.c b/tools/perf/arch/arm/util/cs-etm.c
index 0a44bc462cec..d942f118d32c 100644
--- a/tools/perf/arch/arm/util/cs-etm.c
+++ b/tools/perf/arch/arm/util/cs-etm.c
@@ -378,7 +378,7 @@ static int cs_etm_recording_options(struct auxtrace_record *itr,
 			opts->auxtrace_mmap_pages = roundup_pow_of_two(sz);
 		}
 
-		/* Snapshost size can't be bigger than the auxtrace area */
+		/* Snapshot size can't be bigger than the auxtrace area */
 		if (opts->auxtrace_snapshot_size >
 				opts->auxtrace_mmap_pages * (size_t)page_size) {
 			pr_err("Snapshot size %zu must not be greater than AUX area tracing mmap size %zu\n",
diff --git a/tools/perf/arch/arm64/util/machine.c b/tools/perf/arch/arm64/util/machine.c
index 40c5e0b5bda8..7e7714290a87 100644
--- a/tools/perf/arch/arm64/util/machine.c
+++ b/tools/perf/arch/arm64/util/machine.c
@@ -6,11 +6,11 @@
 #include "debug.h"
 #include "symbol.h"
 
-/* On arm64, kernel text segment start at high memory address,
+/* On arm64, kernel text segment starts at high memory address,
  * for example 0xffff 0000 8xxx xxxx. Modules start at a low memory
- * address, like 0xffff 0000 00ax xxxx. When only samll amount of
+ * address, like 0xffff 0000 00ax xxxx. When only small amount of
  * memory is used by modules, gap between end of module's text segment
- * and start of kernel text segment may be reach 2G.
+ * and start of kernel text segment may reach 2G.
  * Therefore do not fill this gap and do not assign it to the kernel dso map.
  */
 
diff --git a/tools/perf/arch/arm64/util/perf_regs.c b/tools/perf/arch/arm64/util/perf_regs.c
index 2518cde18b34..476b037eea1c 100644
--- a/tools/perf/arch/arm64/util/perf_regs.c
+++ b/tools/perf/arch/arm64/util/perf_regs.c
@@ -108,7 +108,7 @@ int arch_sdt_arg_parse_op(char *old_op, char **new_op)
 		/* [sp], [sp, NUM] or [sp,NUM] */
 		new_len = 7;	/* + ( % s p ) NULL */
 
-		/* If the arugment is [sp], need to fill offset '0' */
+		/* If the argument is [sp], need to fill offset '0' */
 		if (rm[2].rm_so == -1)
 			new_len += 1;
 		else
diff --git a/tools/perf/arch/powerpc/util/kvm-stat.c b/tools/perf/arch/powerpc/util/kvm-stat.c
index eed9e5a42935..16510686c138 100644
--- a/tools/perf/arch/powerpc/util/kvm-stat.c
+++ b/tools/perf/arch/powerpc/util/kvm-stat.c
@@ -176,7 +176,7 @@ int cpu_isa_init(struct perf_kvm_stat *kvm, const char *cpuid __maybe_unused)
 }
 
 /*
- * Incase of powerpc architecture, pmu registers are programmable
+ * In case of powerpc architecture, pmu registers are programmable
  * by guest kernel. So monitoring guest via host may not provide
  * valid samples with default 'cycles' event. It is better to use
  * 'trace_imc/trace_cycles' event for guest profiling, since it
diff --git a/tools/perf/arch/powerpc/util/utils_header.h b/tools/perf/arch/powerpc/util/utils_header.h
index 5788eb1f1fe3..2baeb1c1ae85 100644
--- a/tools/perf/arch/powerpc/util/utils_header.h
+++ b/tools/perf/arch/powerpc/util/utils_header.h
@@ -10,6 +10,6 @@
 
 #define SPRN_PVR        0x11F   /* Processor Version Register */
 #define PVR_VER(pvr)    (((pvr) >>  16) & 0xFFFF) /* Version field */
-#define PVR_REV(pvr)    (((pvr) >>   0) & 0xFFFF) /* Revison field */
+#define PVR_REV(pvr)    (((pvr) >>   0) & 0xFFFF) /* Revision field */
 
 #endif /* __PERF_UTIL_HEADER_H */
diff --git a/tools/perf/arch/x86/tests/bp-modify.c b/tools/perf/arch/x86/tests/bp-modify.c
index adcacf1b6609..dffcf9b52153 100644
--- a/tools/perf/arch/x86/tests/bp-modify.c
+++ b/tools/perf/arch/x86/tests/bp-modify.c
@@ -73,7 +73,7 @@ static int bp_modify1(void)
 	/*
 	 * The parent does following steps:
 	 *  - creates a new breakpoint (id 0) for bp_2 function
-	 *  - changes that breakponit to bp_1 function
+	 *  - changes that breakpoint to bp_1 function
 	 *  - waits for the breakpoint to hit and checks
 	 *    it has proper rip of bp_1 function
 	 *  - detaches the child
diff --git a/tools/perf/arch/x86/util/perf_regs.c b/tools/perf/arch/x86/util/perf_regs.c
index fca81b39b09f..207c56805c55 100644
--- a/tools/perf/arch/x86/util/perf_regs.c
+++ b/tools/perf/arch/x86/util/perf_regs.c
@@ -165,7 +165,7 @@ static int sdt_init_op_regex(void)
 /*
  * Max x86 register name length is 5(ex: %r15d). So, 6th char
  * should always contain NULL. This helps to find register name
- * length using strlen, insted of maintaing one more variable.
+ * length using strlen, instead of maintaining one more variable.
  */
 #define SDT_REG_NAME_SIZE  6
 
@@ -207,7 +207,7 @@ int arch_sdt_arg_parse_op(char *old_op, char **new_op)
 	 * and displacement 0 (Both sign and displacement 0 are
 	 * optional so it may be empty). Use one more character
 	 * to hold last NULL so that strlen can be used to find
-	 * prefix length, instead of maintaing one more variable.
+	 * prefix length, instead of maintaining one more variable.
 	 */
 	char prefix[3] = {0};
 
diff --git a/tools/perf/bench/epoll-wait.c b/tools/perf/bench/epoll-wait.c
index 0a0ff1247c83..79d13dbc0a47 100644
--- a/tools/perf/bench/epoll-wait.c
+++ b/tools/perf/bench/epoll-wait.c
@@ -17,7 +17,7 @@
  * While the second model, enabled via --multiq option, uses multiple
  * queueing (which refers to one epoll instance per worker). For example,
  * short lived tcp connections in a high throughput httpd server will
- * ditribute the accept()'ing  connections across CPUs. In this case each
+ * distribute the accept()'ing  connections across CPUs. In this case each
  * worker does a limited  amount of processing.
  *
  *             [queue A]  ---> [worker]
@@ -198,7 +198,7 @@ static void *workerfn(void *arg)
 
 	do {
 		/*
-		 * Block undefinitely waiting for the IN event.
+		 * Block indefinitely waiting for the IN event.
 		 * In order to stress the epoll_wait(2) syscall,
 		 * call it event per event, instead of a larger
 		 * batch (max)limit.
diff --git a/tools/perf/bench/numa.c b/tools/perf/bench/numa.c
index 20b87e29c96f..f2640179ada9 100644
--- a/tools/perf/bench/numa.c
+++ b/tools/perf/bench/numa.c
@@ -42,7 +42,7 @@
 #endif
 
 /*
- * Regular printout to the terminal, supressed if -q is specified:
+ * Regular printout to the terminal, suppressed if -q is specified:
  */
 #define tprintf(x...) do { if (g && g->p.show_details >= 0) printf(x); } while (0)
 
diff --git a/tools/perf/builtin-annotate.c b/tools/perf/builtin-annotate.c
index a23ba6bb99b6..0f3a196e5d6e 100644
--- a/tools/perf/builtin-annotate.c
+++ b/tools/perf/builtin-annotate.c
@@ -239,7 +239,7 @@ static int evsel__add_sample(struct evsel *evsel, struct perf_sample *sample,
 	}
 
 	/*
-	 * XXX filtered samples can still have branch entires pointing into our
+	 * XXX filtered samples can still have branch entries pointing into our
 	 * symbol and are missed.
 	 */
 	process_branch_stack(sample->branch_stack, al, sample);
diff --git a/tools/perf/builtin-diff.c b/tools/perf/builtin-diff.c
index 878e04b1fab7..f52b3a799e76 100644
--- a/tools/perf/builtin-diff.c
+++ b/tools/perf/builtin-diff.c
@@ -1796,7 +1796,7 @@ static int ui_init(void)
 	data__for_each_file(i, d) {
 
 		/*
-		 * Baseline or compute realted columns:
+		 * Baseline or compute related columns:
 		 *
 		 *   PERF_HPP_DIFF__BASELINE
 		 *   PERF_HPP_DIFF__DELTA
diff --git a/tools/perf/builtin-lock.c b/tools/perf/builtin-lock.c
index a2f1e53f37a7..01326e370009 100644
--- a/tools/perf/builtin-lock.c
+++ b/tools/perf/builtin-lock.c
@@ -49,7 +49,7 @@ struct lock_stat {
 
 	/*
 	 * FIXME: evsel__intval() returns u64,
-	 * so address of lockdep_map should be dealed as 64bit.
+	 * so address of lockdep_map should be treated as 64bit.
 	 * Is there more better solution?
 	 */
 	void			*addr;		/* address of lockdep_map, used as ID */
diff --git a/tools/perf/builtin-sched.c b/tools/perf/builtin-sched.c
index 69c769b04a61..954ce2f594e9 100644
--- a/tools/perf/builtin-sched.c
+++ b/tools/perf/builtin-sched.c
@@ -1712,7 +1712,7 @@ static int perf_sched__process_fork_event(struct perf_tool *tool,
 {
 	struct perf_sched *sched = container_of(tool, struct perf_sched, tool);
 
-	/* run the fork event through the perf machineruy */
+	/* run the fork event through the perf machinery */
 	perf_event__process_fork(tool, event, sample, machine);
 
 	/* and then run additional processing needed for this command */
diff --git a/tools/perf/builtin-script.c b/tools/perf/builtin-script.c
index 119a5f7e2772..1280cbfad4db 100644
--- a/tools/perf/builtin-script.c
+++ b/tools/perf/builtin-script.c
@@ -2486,7 +2486,7 @@ static int perf_script__fopen_per_event_dump(struct perf_script *script)
 		/*
 		 * Already setup? I.e. we may be called twice in cases like
 		 * Intel PT, one for the intel_pt// and dummy events, then
-		 * for the evsels syntheized from the auxtrace info.
+		 * for the evsels synthesized from the auxtrace info.
 		 *
 		 * Ses perf_script__process_auxtrace_info.
 		 */
@@ -3083,7 +3083,7 @@ static int list_available_scripts(const struct option *opt __maybe_unused,
  *
  * Fixme: All existing "xxx-record" are all in good formats "-e event ",
  * which is covered well now. And new parsing code should be added to
- * cover the future complexing formats like event groups etc.
+ * cover the future complex formats like event groups etc.
  */
 static int check_ev_match(char *dir_name, char *scriptname,
 			struct perf_session *session)
diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c
index 2e2e4a8345ea..d140ffbb5b34 100644
--- a/tools/perf/builtin-stat.c
+++ b/tools/perf/builtin-stat.c
@@ -1705,7 +1705,7 @@ static int add_default_attributes(void)
 	bzero(&errinfo, sizeof(errinfo));
 	if (transaction_run) {
 		/* Handle -T as -M transaction. Once platform specific metrics
-		 * support has been added to the json files, all archictures
+		 * support has been added to the json files, all architectures
 		 * will use this approach. To determine transaction support
 		 * on an architecture test for such a metric name.
 		 */
@@ -2459,7 +2459,7 @@ int cmd_stat(int argc, const char **argv)
 		/*
 		 * We synthesize the kernel mmap record just so that older tools
 		 * don't emit warnings about not being able to resolve symbols
-		 * due to /proc/sys/kernel/kptr_restrict settings and instear provide
+		 * due to /proc/sys/kernel/kptr_restrict settings and instead provide
 		 * a saner message about no samples being in the perf.data file.
 		 *
 		 * This also serves to suppress a warning about f_header.data.size == 0
diff --git a/tools/perf/builtin-top.c b/tools/perf/builtin-top.c
index 3673c04d16b6..173ace43f845 100644
--- a/tools/perf/builtin-top.c
+++ b/tools/perf/builtin-top.c
@@ -1607,7 +1607,7 @@ int cmd_top(int argc, const char **argv)
 	if (status) {
 		/*
 		 * Some arches do not provide a get_cpuid(), so just use pr_debug, otherwise
-		 * warn the user explicitely.
+		 * warn the user explicitly.
 		 */
 		eprintf(status == ENOSYS ? 1 : 0, verbose,
 			"Couldn't read the cpuid for this machine: %s\n",
diff --git a/tools/perf/examples/bpf/augmented_raw_syscalls.c b/tools/perf/examples/bpf/augmented_raw_syscalls.c
index b80437971d80..a262dcd020f4 100644
--- a/tools/perf/examples/bpf/augmented_raw_syscalls.c
+++ b/tools/perf/examples/bpf/augmented_raw_syscalls.c
@@ -262,7 +262,7 @@ int sys_enter(struct syscall_enter_args *args)
 	/*
 	 * Jump to syscall specific augmenter, even if the default one,
 	 * "!raw_syscalls:unaugmented" that will just return 1 to return the
-	 * unagmented tracepoint payload.
+	 * unaugmented tracepoint payload.
 	 */
 	bpf_tail_call(args, &syscalls_sys_enter, augmented_args->args.syscall_nr);
 
@@ -282,7 +282,7 @@ int sys_exit(struct syscall_exit_args *args)
 	/*
 	 * Jump to syscall specific return augmenter, even if the default one,
 	 * "!raw_syscalls:unaugmented" that will just return 1 to return the
-	 * unagmented tracepoint payload.
+	 * unaugmented tracepoint payload.
 	 */
 	bpf_tail_call(args, &syscalls_sys_exit, exit_args.syscall_nr);
 	/*