1. easy_handles ``` SET_OPT(CURLOPT_ERRORBUFFER, m_errorBuffer); setVerbose(true); setUrl(url); setTimeout(timeout); setConnectTimeout(connectTimeout); setProxy(proxy); setProxyPort(proxyPort); setHttpHeaders(httpHeaders); SET_OPT(CURLOPT_WRITEFUNCTION, writeFunction); SET_OPT(CURLOPT_WRITEDATA, m_requestState); SET_OPT(CURLOPT_DEBUGFUNCTION, CurlRequest::debugFunction); SET_OPT(CURLOPT_DEBUGDATA, this); SET_OPT(CURLOPT_PRIVATE, this); SET_OPT(CURLOPT_NOSIGNAL, 1L); ```
2. HTTPS. TLS based on NSS SSL backend 3. Yes. I've used perf and valgrind-cachgrind but I can't take the reason from results. For example perf part: ``` Samples: 1K of event 'cycles:uppp', Event count (approx.): 9397031894 Children Self Command Shared Object Symbol - 23.25% 2.43% lecappqry.1 [unknown] [.] 0000000000000000 - 21.58% 0 5.29% _int_malloc 1.42% free 1.13% Curl_http 1.07% _int_free + 0.88% __clock_gettime 0.72% _IO_vsnprintf 0.71% __libc_calloc + 5.07% 0.00% lecappqry.1 [unknown] [k] 0x0000000000667849 + 5.07% 0.00% lecappqry.1 [unknown] [k] 0x00007f33507ad900 + 5.07% 4.87% lecappqry.1 lecappqry_grpc [.] dprintf_formatf + 4.88% 4.71% lecappqry.1 libc-2.17.so [.] _int_free ``` On Mon, May 30, 2022 at 9:07 PM Patrick Schlangen <patr...@schlangen.me> wrote: > Am 30.05.2022 um 16:23 schrieb Aleh Linkin via curl-library < > curl-library@lists.haxx.se>: > > > > I understand. Thank you. > > But why multi_socket_action eats about twice time more CPU then > curl_multi_perform called in cycle with 10ms pause? > > Can you supply some more details about how the easy handle is configured > and the type of transfers you are running? Is it HTTP? Are you using TLS? > Did you use perf or a similar profiler yet to see where time is spent? > > Thanks, > > Patrick > >
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