Hard to get a public test case (private code), but I noticed with go10, the
profiler puts 99% flat time in time.now. Did time.now change somehow?
(pprof) top1
Showing nodes accounting for 2.11mins, 99.90% of 2.11mins total
Dropped 26 nodes (cum <= 0.01mins)
Showing top 1 nodes out of 10
flat flat% sum% cum cum%
2.11mins 99.90% 99.90% 2.11mins 99.90% time.now
(pprof) list time.now
Total: 2.11mins
ROUTINE ======================== time.now in
/Users/jlindamo/sdk/go1.10beta1/src/runtime/sys_darwin_amd64.s
2.11mins 2.11mins (flat, cum) 99.90% of Total
. . 303: MOVQ SP, DI
. . 304: MOVQ $0, SI
. . 305: MOVQ $0, DX // required as of Sierra; Issue
16570
. . 306: MOVL $(0x2000000+116), AX // gettimeofday
. . 307: SYSCALL
2.11mins 2.11mins 308: CMPQ AX, $0
. . 309: JNE inreg
. . 310: MOVQ 0(SP), AX
. . 311: MOVL 8(SP), DX
. . 312:inreg:
. . 313: // sec is in AX, usec in DX
On Friday, December 22, 2017 at 9:35:15 PM UTC-8, Daniel Theophanes wrote:
>
> The beta is a normal release, not debug or no opt. File an issue, if
> possible try to get a minimal repro case you can post.
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