perf script: Display new D (Intr Disabled) and t (Intr Toggle) flags

Amend the display to include D and t flags in the same way as the x flag.
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Link: https://lore.kernel.org/r/20220124084201.2699795-21-adrian.hunter@intel.comSigned-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

tools/perf/Documentation/perf-script.txt

@@ -195,16 +195,19 @@ OPTIONS
 	At this point usage is displayed, and perf-script exits.
 
 	The flags field is synthesized and may have a value when Instruction
-	Trace decoding. The flags are "bcrosyiABExgh" which stand for branch,
+	Trace decoding. The flags are "bcrosyiABExghDt" which stand for branch,
 	call, return, conditional, system, asynchronous, interrupt,
-	transaction abort, trace begin, trace end, in transaction, VM-Entry, and VM-Exit
-	respectively. Known combinations of flags are printed more nicely e.g.
+	transaction abort, trace begin, trace end, in transaction, VM-Entry,
+	VM-Exit, interrupt disabled and interrupt disable toggle respectively.
+	Known combinations of flags are printed more nicely e.g.
 	"call" for "bc", "return" for "br", "jcc" for "bo", "jmp" for "b",
 	"int" for "bci", "iret" for "bri", "syscall" for "bcs", "sysret" for "brs",
 	"async" for "by", "hw int" for "bcyi", "tx abrt" for "bA", "tr strt" for "bB",
 	"tr end" for "bE", "vmentry" for "bcg", "vmexit" for "bch".
-	However the "x" flag will be displayed separately in those
-	cases e.g. "jcc     (x)" for a condition branch within a transaction.
+	However the "x", "D" and "t" flags will be displayed separately in those
+	cases e.g. "jcc     (xD)" for a condition branch within a transaction
+	with interrupts disabled. Note, interrupts becoming disabled is "t",
+	whereas interrupts becoming enabled is "Dt".
 
 	The callindent field is synthesized and may have a value when
 	Instruction Trace decoding. For calls and returns, it will display the

tools/perf/builtin-script.c

@@ -1579,26 +1579,34 @@ static const char *sample_flags_to_name(u32 flags)
 
 int perf_sample__sprintf_flags(u32 flags, char *str, size_t sz)
 {
+	u32 xf = PERF_IP_FLAG_IN_TX | PERF_IP_FLAG_INTR_DISABLE |
+		 PERF_IP_FLAG_INTR_TOGGLE;
 	const char *chars = PERF_IP_FLAG_CHARS;
 	const size_t n = strlen(PERF_IP_FLAG_CHARS);
-	bool in_tx = flags & PERF_IP_FLAG_IN_TX;
 	const char *name = NULL;
 	size_t i, pos = 0;
+	char xs[16] = {0};
 
-	name = sample_flags_to_name(flags & ~PERF_IP_FLAG_IN_TX);
+	if (flags & xf)
+		snprintf(xs, sizeof(xs), "(%s%s%s)",
+			 flags & PERF_IP_FLAG_IN_TX ? "x" : "",
+			 flags & PERF_IP_FLAG_INTR_DISABLE ? "D" : "",
+			 flags & PERF_IP_FLAG_INTR_TOGGLE ? "t" : "");
+
+	name = sample_flags_to_name(flags & ~xf);
 	if (name)
-		return snprintf(str, sz, "%-15s%4s", name, in_tx ? "(x)" : "");
+		return snprintf(str, sz, "%-15s%6s", name, xs);
 
 	if (flags & PERF_IP_FLAG_TRACE_BEGIN) {
-		name = sample_flags_to_name(flags & ~(PERF_IP_FLAG_IN_TX | PERF_IP_FLAG_TRACE_BEGIN));
+		name = sample_flags_to_name(flags & ~(xf | PERF_IP_FLAG_TRACE_BEGIN));
 		if (name)
-			return snprintf(str, sz, "tr strt %-7s%4s", name, in_tx ? "(x)" : "");
+			return snprintf(str, sz, "tr strt %-7s%6s", name, xs);
 	}
 
 	if (flags & PERF_IP_FLAG_TRACE_END) {
-		name = sample_flags_to_name(flags & ~(PERF_IP_FLAG_IN_TX | PERF_IP_FLAG_TRACE_END));
+		name = sample_flags_to_name(flags & ~(xf | PERF_IP_FLAG_TRACE_END));
 		if (name)
-			return snprintf(str, sz, "tr end  %-7s%4s", name, in_tx ? "(x)" : "");
+			return snprintf(str, sz, "tr end  %-7s%6s", name, xs);
 	}
 
 	for (i = 0; i < n; i++, flags >>= 1) {
@@ -1620,7 +1628,7 @@ static int perf_sample__fprintf_flags(u32 flags, FILE *fp)
 	char str[SAMPLE_FLAGS_BUF_SIZE];
 
 	perf_sample__sprintf_flags(flags, str, sizeof(str));
-	return fprintf(fp, "  %-19s ", str);
+	return fprintf(fp, "  %-21s ", str);
 }
 
 struct printer_data {