Srikant Bharadwaj has submitted this change. (
https://gem5-review.googlesource.com/c/public/gem5/+/32598 )
Change subject: mem-garnet: Initialize unused Credit members
..
mem-garnet: Initialize unused Credit members
The Credit class doesn't initialize a number of its unused base class
fields. This leads to non-determanistic traces when printing flits that
are Credits. This patch initializes all unused fields to 0.
Change-Id: Ib73c652c71a10be57b24c0d6e1ac22eafa421e11
Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/32598
Tested-by: kokoro
Reviewed-by: Jason Lowe-Power
Maintainer: Jason Lowe-Power
---
M src/mem/ruby/network/garnet2.0/CommonTypes.hh
M src/mem/ruby/network/garnet2.0/Credit.cc
2 files changed, 6 insertions(+), 3 deletions(-)
Approvals:
Jason Lowe-Power: Looks good to me, approved; Looks good to me, approved
kokoro: Regressions pass
diff --git a/src/mem/ruby/network/garnet2.0/CommonTypes.hh
b/src/mem/ruby/network/garnet2.0/CommonTypes.hh
index 94aa600..643ce8c 100644
--- a/src/mem/ruby/network/garnet2.0/CommonTypes.hh
+++ b/src/mem/ruby/network/garnet2.0/CommonTypes.hh
@@ -46,6 +46,11 @@
struct RouteInfo
{
+RouteInfo()
+: vnet(0), src_ni(0), src_router(0), dest_ni(0), dest_router(0),
+ hops_traversed(0)
+{}
+
// destination format for table-based routing
int vnet;
NetDest net_dest;
diff --git a/src/mem/ruby/network/garnet2.0/Credit.cc
b/src/mem/ruby/network/garnet2.0/Credit.cc
index 3e56b4e..bde9484 100644
--- a/src/mem/ruby/network/garnet2.0/Credit.cc
+++ b/src/mem/ruby/network/garnet2.0/Credit.cc
@@ -37,11 +37,9 @@
// and m_is_free_signal (whether VC is free or not)
Credit::Credit(int vc, bool is_free_signal, Tick curTime)
+: flit(0, vc, 0, RouteInfo(), 0, nullptr, 0, 0, curTime)
{
-m_id = 0;
-m_vc = vc;
m_is_free_signal = is_free_signal;
-m_time = curTime;
m_type = CREDIT_;
}
--
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Gerrit-Project: public/gem5
Gerrit-Branch: develop
Gerrit-Change-Id: Ib73c652c71a10be57b24c0d6e1ac22eafa421e11
Gerrit-Change-Number: 32598
Gerrit-PatchSet: 7
Gerrit-Owner: Srikant Bharadwaj
Gerrit-Reviewer: Jason Lowe-Power
Gerrit-Reviewer: Michael LeBeane
Gerrit-Reviewer: Srikant Bharadwaj
Gerrit-Reviewer: kokoro
Gerrit-MessageType: merged
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