This script is supposed to be allowed to run with regular user privileges
if a previously captured trace is being post processed.

Commit fbe313884d7ddd73ce457473cbdf3763f5b1d3da
tools/power/x86/intel_pstate_tracer: Free the trace buffer memory
introduced a bug that breaks that option.

Commit 35459105deb26430653a7299a86bc66fb4dd5773
tools/power/x86/intel_pstate_tracer: Add optional setting of trace buffer 
memory allocation
moved the code but kept the bug.

This patch fixes the issue.

Signed-off-by: Doug Smythies <dsmyth...@telus.net>
---
 tools/power/x86/intel_pstate_tracer/intel_pstate_tracer.py | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/tools/power/x86/intel_pstate_tracer/intel_pstate_tracer.py 
b/tools/power/x86/intel_pstate_tracer/intel_pstate_tracer.py
index 84e2b64..2fa3c57 100755
--- a/tools/power/x86/intel_pstate_tracer/intel_pstate_tracer.py
+++ b/tools/power/x86/intel_pstate_tracer/intel_pstate_tracer.py
@@ -585,9 +585,9 @@ current_max_cpu = 0
 
 read_trace_data(filename)
 
-clear_trace_file()
-# Free the memory
 if interval:
+    clear_trace_file()
+    # Free the memory
     free_trace_buffer()
 
 if graph_data_present == False:
-- 
2.7.4

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