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Description
While saving the generated events as XML, PerfView does not seem to escape double quotes present in error messages/ log text etc. This results in an incorrect XML file being generated; which cannot be parsed by an XML parser successfully.
Event Dump:
<Event MSec="783264.8029" PID="3164" PName="Process(3164)" TID="5352" EventName="Enter"
TimeStamp="05/02/19 14:48:17.279419" ID="1" Version="0" Keywords="0x0000F00000000004" TimeStampQPC="28,206,286,346" QPCTime="0.100us"
Level="Informational" ProviderName="Microsoft-Azure-Devices-Device-Client" ProviderGuid="ddbee999-a79e-5050-ea3c-6d1a8a7bafdd" ClassicProvider="False" ProcessorNumber="1"
Opcode="0" Task="65533" Channel="0" PointerSize="4"
CPU="1" EventIndex="176871" TemplateType="DynamicTraceEventData">
<PrettyPrint>
<Event MSec="783264.8029" PID="3164" PName="Process(3164)" TID="5352" EventName="Enter" ProviderName="Microsoft-Azure-Devices-Device-Client" thisOrContextObject="RetryDelegatingHandler#16665527" memberName="SendTwinPatchAsync" parameters="({
"5d1a7e83-8418-4958-9a55-c4fc7d892d5b": "e0aab212-e6a8-46b1-b015-8a492b1101b6"
}, CancellationToken#61476030)"/>
</PrettyPrint>
<Payload Length="336">
0: 52 0 65 0 74 0 72 0 | 79 0 44 0 65 0 6c 0 R.e.t.r. y.D.e.l.
10: 65 0 67 0 61 0 74 0 | 69 0 6e 0 67 0 48 0 e.g.a.t. i.n.g.H.
20: 61 0 6e 0 64 0 6c 0 | 65 0 72 0 23 0 31 0 a.n.d.l. e.r.#.1.
30: 36 0 36 0 36 0 35 0 | 35 0 32 0 37 0 0 0 6.6.6.5. 5.2.7...
40: 53 0 65 0 6e 0 64 0 | 54 0 77 0 69 0 6e 0 S.e.n.d. T.w.i.n.
50: 50 0 61 0 74 0 63 0 | 68 0 41 0 73 0 79 0 P.a.t.c. h.A.s.y.
60: 6e 0 63 0 0 0 28 0 | 7b 0 d 0 a 0 20 0 n.c...(. {..... .
70: 20 0 22 0 35 0 64 0 | 31 0 61 0 37 0 65 0 .".5.d. 1.a.7.e.
80: 38 0 33 0 2d 0 38 0 | 34 0 31 0 38 0 2d 0 8.3.-.8. 4.1.8.-.
90: 34 0 39 0 35 0 38 0 | 2d 0 39 0 61 0 35 0 4.9.5.8. -.9.a.5.
a0: 35 0 2d 0 63 0 34 0 | 66 0 63 0 37 0 64 0 5.-.c.4. f.c.7.d.
b0: 38 0 39 0 32 0 64 0 | 35 0 62 0 22 0 3a 0 8.9.2.d. 5.b.".:.
c0: 20 0 22 0 65 0 30 0 | 61 0 61 0 62 0 32 0 .".e.0. a.a.b.2.
d0: 31 0 32 0 2d 0 65 0 | 36 0 61 0 38 0 2d 0 1.2.-.e. 6.a.8.-.
e0: 34 0 36 0 62 0 31 0 | 2d 0 62 0 30 0 31 0 4.6.b.1. -.b.0.1.
f0: 35 0 2d 0 38 0 61 0 | 34 0 39 0 32 0 62 0 5.-.8.a. 4.9.2.b.
100: 31 0 31 0 30 0 31 0 | 62 0 36 0 22 0 d 0 1.1.0.1. b.6."...
110: a 0 7d 0 2c 0 20 0 | 43 0 61 0 6e 0 63 0 ..}.,. . C.a.n.c.
120: 65 0 6c 0 6c 0 61 0 | 74 0 69 0 6f 0 6e 0 e.l.l.a. t.i.o.n.
130: 54 0 6f 0 6b 0 65 0 | 6e 0 23 0 36 0 31 0 T.o.k.e. n.#.6.1.
140: 34 0 37 0 36 0 30 0 | 33 0 30 0 29 0 0 0 4.7.6.0. 3.0.)...
</Payload>
</Event>
Generated XML snippet:
<Event EventName="Microsoft-Azure-Devices-Device-Client/Enter" TimeMsec="783264.803" ProcessName="Process(3164) (3164)" ThreadID="5,352" ProcessorNumber="1" thisOrContextObject="RetryDelegatingHandler#16665527" memberName="SendTwinPatchAsync" parameters="({ "5d1a7e83-8418-4958-9a55-c4fc7d892d5b":"e0aab212-e6a8-46b1-b015-8a492b1101b6" }, CancellationToken#61476030)" />
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github-actions commentedon May 3, 2025
Due to lack of recent activity, this issue has been labeled as 'stale'. It will be closed if no further activity occurs within 30 more days. Any new comment will remove the label.
github-actions commentedon Jun 2, 2025
This issue will now be closed since it has been labeled 'stale' without activity for 30 days.
brianrob commentedon Jun 2, 2025
This looks like it's probably an easy fix that copilot can pick-up.
The code that generates this XML is in
TraceEvent.Dump.Add comprehensive regression tests for XML escaping in EventName (Issue