git: 0d348c621f4e - stable/14 - loader: Instrument EFI GetRNG with TSLOG
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Date: Sun, 29 Sep 2024 15:25:14 UTC
The branch stable/14 has been updated by cperciva: URL: https://cgit.FreeBSD.org/src/commit/?id=0d348c621f4e79278073b5ad4c9ca90a0e999f02 commit 0d348c621f4e79278073b5ad4c9ca90a0e999f02 Author: Colin Percival <cperciva@FreeBSD.org> AuthorDate: 2024-09-18 11:01:55 +0000 Commit: Colin Percival <cperciva@FreeBSD.org> CommitDate: 2024-09-29 15:24:52 +0000 loader: Instrument EFI GetRNG with TSLOG On some systems, the EFI GetRNG is slow. Make it show up in flamecharts. MFC after: 1 week Sponsored by: Amazon Differential Revision: https://reviews.freebsd.org/D46631 (cherry picked from commit b58fe4eb29fbd3236df0f7fdfad4393d2536dbb5) --- stand/efi/loader/main.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/stand/efi/loader/main.c b/stand/efi/loader/main.c index e4d62f2e940c..27fdb3bfefc9 100644 --- a/stand/efi/loader/main.c +++ b/stand/efi/loader/main.c @@ -1267,7 +1267,9 @@ command_seed_entropy(int argc, char *argv[]) return (CMD_ERROR); } + TSENTER2("rng->GetRNG"); status = rng->GetRNG(rng, NULL, size, (UINT8 *)buf); + TSEXIT(); if (status != EFI_SUCCESS) { free(buf); command_errmsg = "GetRNG failed";