New APIs added to get trace cpustats, uname, version strings, and
cpu file sizes.
const char *tracecmd_get_cpustats(struct tracecmd_input *handle);
const char *tracecmd_get_uname(struct tracecmd_input *handle);
const char *tracecmd_get_version(struct tracecmd_input *handle);
unsigned long long tracecmd_get_cpu_file_size(struct tracecmd_input *handle, int cpu);
Signed-off-by: Michael Sartain <mikesart@xxxxxxxxxxxx>
---
.../include/private/trace-cmd-private.h | 5 ++
lib/trace-cmd/trace-input.c | 63 +++++++++++++++++++
2 files changed, 68 insertions(+)
diff --git a/lib/trace-cmd/include/private/trace-cmd-private.h b/lib/trace-cmd/include/private/trace-cmd-private.h
index c58b09e..6e2af31 100644
--- a/lib/trace-cmd/include/private/trace-cmd-private.h
+++ b/lib/trace-cmd/include/private/trace-cmd-private.h
@@ -90,6 +90,11 @@ bool tracecmd_get_quiet(struct tracecmd_output *handle);
void tracecmd_set_out_clock(struct tracecmd_output *handle, const char *clock);
const char *tracecmd_get_trace_clock(struct tracecmd_input *handle);
+const char *tracecmd_get_cpustats(struct tracecmd_input *handle);
+const char *tracecmd_get_uname(struct tracecmd_input *handle);
+const char *tracecmd_get_version(struct tracecmd_input *handle);
+off64_t tracecmd_get_cpu_file_size(struct tracecmd_input *handle, int cpu);
+
static inline int tracecmd_host_bigendian(void)
{
unsigned char str[] = { 0x1, 0x2, 0x3, 0x4 };
diff --git a/lib/trace-cmd/trace-input.c b/lib/trace-cmd/trace-input.c
index ac57bc4..c55adcd 100644
--- a/lib/trace-cmd/trace-input.c
+++ b/lib/trace-cmd/trace-input.c
@@ -4088,6 +4088,69 @@ const char *tracecmd_get_trace_clock(struct tracecmd_input *handle)
return handle->trace_clock;
}
+/**
+ * tracecmd_get_cpustats - return the saved cpu stats
+ * @handle: input handle for the trace.dat file
+ *
+ * Provides a method to extract the cpu stats saved in @handle.
+ *
+ * Returns a string of the cpu stats that was saved in the trace.dat file.
+ * The string should not be freed, as it points to the internal
+ * structure data.
+ */
+const char *tracecmd_get_cpustats(struct tracecmd_input *handle)
+{
+ return handle->cpustats;
+}
+
+/**
+ * tracecmd_get_uname - return the saved name and kernel information
+ * @handle: input handle for the trace.dat file
+ *
+ * Provides a method to extract the system information saved in @handle.
+ *
+ * Returns a string of the system information that was saved in the
+ * trace.dat file.
+ * The string should not be freed, as it points to the internal
+ * structure data.
+ */
+const char *tracecmd_get_uname(struct tracecmd_input *handle)
+{
+ return handle->uname;
+}
+
+/**
+ * tracecmd_get_version - return the saved version information
+ * @handle: input handle for the trace.dat file
+ *
+ * Provides a method to extract the version string saved in @handle.
+ *
+ * Returns a string of the version that was saved in the trace.dat file.
+ * The string should not be freed, as it points to the internal
+ * structure data.
+ */
+const char *tracecmd_get_version(struct tracecmd_input *handle)
+{
+ return handle->version;
+}
+
+/**
+ * tracecmd_get_cpu_file_size - return the saved cpu file size
+ * @handle: input handle for the trace.dat file
+ * @cpu: cpu index
+ *
+ * Provides a method to extract the cpu file size saved in @handle.
+ *
+ * Returns the cpu file size saved in trace.dat file or (off64_t)-1 for
+ * invalid cpu index.
+ */
+off64_t tracecmd_get_cpu_file_size(struct tracecmd_input *handle, int cpu)
+{
+ if (cpu < 0 || cpu >= handle->cpus)
+ return (off64_t)-1;
+ return handle->cpu_data[cpu].file_size;
+}
+
/**
* tracecmd_get_show_data_func - return the show data func
* @handle: input handle for the trace.dat file
--
2.33.0
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