utilities: upcall_monitor: Monitor dropped upcalls. #6772

Job	Run time
linux rpm fedora	4m 29s
dpdk gcc (ubuntu-24.04)	4s
linux deb no dpdk	5m 5s
libreswan (ubuntu-24.04)	5s
build oss-fuzz fuzzers	2m 55s
osx clang --disable-ssl	1m 52s
clang-analyze-cache	11m 8s
linux gcc --disable-ssl	2m 32s
linux clang --disable-ssl	2m 41s
linux gcc c99	2m 42s
linux clang c99	2m 28s
linux gcc test	8m 31s
linux clang address,undefined test	16m 56s
linux gcc test --enable-shared	11m 5s
linux clang test --enable-shared	11m 25s
linux gcc check check-dpdk dpdk	21m 48s
linux clang check check-dpdk dpdk	20m 3s
linux gcc test -ljemalloc	9m 9s
linux clang test -ljemalloc	9m 1s
linux gcc --enable-afxdp	2m 37s
linux clang --enable-afxdp	2m 34s
linux gcc dpdk --enable-shared	3m 43s
linux clang dpdk --enable-shared	3m 55s
linux gcc dpdk-shared	5m 51s
linux clang dpdk-shared	3m 6s
linux gcc dpdk-shared --enable-shared	3m 46s
linux clang dpdk-shared --enable-shared	3m 41s
linux gcc m32 --disable-ssl	2m 45s
linux gcc check-ovsdb-cluster	6m 59s
linux gcc check-kernel -100	10m 17s
linux gcc check-kernel 100-	17m 28s
linux clang address,undefined check-kernel -100	12m 56s
linux clang address,undefined check-kernel 100-	19m 31s
linux gcc check-offloads -100	9m 28s
linux gcc check-offloads 100-	14m 32s
linux gcc dpdk check-system-userspace	12m 48s
linux clang address,undefined dpdk check-system-userspace	18m 22s
linux gcc dpdk check-system-tso	14m 19s
linux gcc dpdk check-afxdp	12m 50s
clang-analyze	12m 25s
	5h 37m 52s

Provide feedback