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-rw-r--r--tools/perf/arch/x86/util/Build42
-rw-r--r--tools/perf/arch/x86/util/intel-pt.c15
2 files changed, 35 insertions, 22 deletions
diff --git a/tools/perf/arch/x86/util/Build b/tools/perf/arch/x86/util/Build
index 005907cb97d8..2607ed5c4296 100644
--- a/tools/perf/arch/x86/util/Build
+++ b/tools/perf/arch/x86/util/Build
@@ -1,24 +1,24 @@
-perf-y += header.o
-perf-y += tsc.o
-perf-y += pmu.o
-perf-$(CONFIG_LIBTRACEEVENT) += kvm-stat.o
-perf-y += perf_regs.o
-perf-y += topdown.o
-perf-y += machine.o
-perf-y += event.o
-perf-y += evlist.o
-perf-y += mem-events.o
-perf-y += evsel.o
-perf-y += iostat.o
-perf-y += env.o
+perf-util-y += header.o
+perf-util-y += tsc.o
+perf-util-y += pmu.o
+perf-util-$(CONFIG_LIBTRACEEVENT) += kvm-stat.o
+perf-util-y += perf_regs.o
+perf-util-y += topdown.o
+perf-util-y += machine.o
+perf-util-y += event.o
+perf-util-y += evlist.o
+perf-util-y += mem-events.o
+perf-util-y += evsel.o
+perf-util-y += iostat.o
+perf-util-y += env.o
-perf-$(CONFIG_DWARF) += dwarf-regs.o
-perf-$(CONFIG_BPF_PROLOGUE) += dwarf-regs.o
+perf-util-$(CONFIG_DWARF) += dwarf-regs.o
+perf-util-$(CONFIG_BPF_PROLOGUE) += dwarf-regs.o
-perf-$(CONFIG_LOCAL_LIBUNWIND) += unwind-libunwind.o
-perf-$(CONFIG_LIBDW_DWARF_UNWIND) += unwind-libdw.o
+perf-util-$(CONFIG_LOCAL_LIBUNWIND) += unwind-libunwind.o
+perf-util-$(CONFIG_LIBDW_DWARF_UNWIND) += unwind-libdw.o
-perf-$(CONFIG_AUXTRACE) += auxtrace.o
-perf-$(CONFIG_AUXTRACE) += archinsn.o
-perf-$(CONFIG_AUXTRACE) += intel-pt.o
-perf-$(CONFIG_AUXTRACE) += intel-bts.o
+perf-util-$(CONFIG_AUXTRACE) += auxtrace.o
+perf-util-$(CONFIG_AUXTRACE) += archinsn.o
+perf-util-$(CONFIG_AUXTRACE) += intel-pt.o
+perf-util-$(CONFIG_AUXTRACE) += intel-bts.o
diff --git a/tools/perf/arch/x86/util/intel-pt.c b/tools/perf/arch/x86/util/intel-pt.c
index 6de7e2d21075..4b710e875953 100644
--- a/tools/perf/arch/x86/util/intel-pt.c
+++ b/tools/perf/arch/x86/util/intel-pt.c
@@ -32,6 +32,7 @@
#include "../../../util/tsc.h"
#include <internal/lib.h> // page_size
#include "../../../util/intel-pt.h"
+#include <api/fs/fs.h>
#define KiB(x) ((x) * 1024)
#define MiB(x) ((x) * 1024 * 1024)
@@ -428,6 +429,16 @@ static int intel_pt_track_switches(struct evlist *evlist)
}
#endif
+static bool intel_pt_exclude_guest(void)
+{
+ int pt_mode;
+
+ if (sysfs__read_int("module/kvm_intel/parameters/pt_mode", &pt_mode))
+ pt_mode = 0;
+
+ return pt_mode == 1;
+}
+
static void intel_pt_valid_str(char *str, size_t len, u64 valid)
{
unsigned int val, last = 0, state = 1;
@@ -620,6 +631,7 @@ static int intel_pt_recording_options(struct auxtrace_record *itr,
}
evsel->core.attr.freq = 0;
evsel->core.attr.sample_period = 1;
+ evsel->core.attr.exclude_guest = intel_pt_exclude_guest();
evsel->no_aux_samples = true;
evsel->needs_auxtrace_mmap = true;
intel_pt_evsel = evsel;
@@ -758,7 +770,8 @@ static int intel_pt_recording_options(struct auxtrace_record *itr,
}
if (!opts->auxtrace_snapshot_mode && !opts->auxtrace_sample_mode) {
- u32 aux_watermark = opts->auxtrace_mmap_pages * page_size / 4;
+ size_t aw = opts->auxtrace_mmap_pages * (size_t)page_size / 4;
+ u32 aux_watermark = aw > UINT_MAX ? UINT_MAX : aw;
intel_pt_evsel->core.attr.aux_watermark = aux_watermark;
}