tracing | Application level tracing for Rust
kandi X-RAY | tracing Summary
kandi X-RAY | tracing Summary
tracing is a framework for instrumenting Rust programs to collect structured, event-based diagnostic information. tracing is maintained by the Tokio project, but does not require the tokio runtime to be used.
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Currently covering the most popular Java, JavaScript and Python libraries. See a Sample of tracing
tracing Key Features
tracing Examples and Code Snippets
def trace_on(graph=True, profiler=False): # pylint: disable=redefined-outer-name
"""Starts a trace to record computation graphs and profiling information.
Must be invoked in eager mode.
When enabled, TensorFlow runtime will collect informati
def start_tracing(service_addr,
logdir,
duration_ms,
worker_list='',
include_dataset_ops=True,
num_tracing_attempts=3):
"""Sends grpc requests to profiler ser
def called_without_tracing(self):
# We don't count tracing when users load a concrete function directly or
# call get_concrete_function, so the first call can be not a tracing call.
if not self._calls_per_tracings:
self._calls_per_t
Community Discussions
Trending Discussions on tracing
QUESTION
I have a rather simple setup:
...ANSWER
Answered 2022-Mar-11 at 12:48To what I understand, when you are trying to run manually there is no path set as the environment, and when you just do
python file.py
python doesn't know in which environment we are running, which is precisely why, we do sys.path.append, to add the sibling directory path to env.
In the case if you are using an IDE like spyder or pycharm. you have an option to set the directory in which your program is located, or in pycharm it creates the whole program as a package where all the paths are handled by IDE.
QUESTION
I am following this guide to add Docker support to my existing NextJS + TypeScript project and deploy to Google Cloud Run: https://github.com/vercel/next.js/tree/canary/examples/with-docker.
However, the build your container step:
...ANSWER
Answered 2022-Mar-09 at 08:21In case this is helpful to anyone else, turns out my version for "next" was set to "^11.1.0" and the standalone folder only works for "next" versions "^12.1.0" and above. Updating my package.json fixed the problem!
QUESTION
Cant make compose run in existing kotlin/native project for month now, trying to set default Greeting example to splash instead of its ui, cant make it:
...ANSWER
Answered 2021-Oct-02 at 07:10The issue is that your compile SDK is 31, you are targetting API 31 (Android 12) and not setting the exported attribute.
You need to specify android:exported="true"
in the manifest.
If your app targets Android 12 and contains activities, services, or broadcast receivers that use intent filters, you must explicitly declare the android: exported attribute for these app components.
QUESTION
I am working on project upgrade from Vue 2 to Vue 3. The code base changed according to Vue migration documents: https://v3.vuejs.org/guide/migration/introduction.html#overview. I have mismatch of above mentioned libraries. Does somebody has a running project and would share their working library versions
Current mismatch error is :
...ANSWER
Answered 2022-Feb-18 at 14:50My colleague solved it by moving to Vite. My suggestion would be to drop webpack and use Vite instead.
Migration guide for Vue 2 to 3 here: https://v3-migration.vuejs.org/ Vuetify migration guide: https://next.vuetifyjs.com/en/getting-started/upgrade-guide
QUESTION
I have an java app (JDK13) running in a docker container. Recently I moved the app to JDK17 (OpenJDK17) and found a gradual increase of memory usage by docker container.
During investigation I found that the 'serviceability memory category' NMT grows constantly (15mb per an hour). I checked the page https://docs.oracle.com/en/java/javase/17/troubleshoot/diagnostic-tools.html#GUID-5EF7BB07-C903-4EBD-A9C2-EC0E44048D37 but this category is not mentioned there.
Could anyone explain what this serviceability category means and what can cause such gradual increase? Also there are some additional new memory categories comparing to JDK13. Maybe someone knows where I can read details about them.
Here is the result of command jcmd 1 VM.native_memory summary
ANSWER
Answered 2022-Jan-17 at 13:38Unfortunately (?), the easiest way to know for sure what those categories map to is to look at OpenJDK source code. The NMT tag you are looking for is mtServiceability. This would show that "serviceability" are basically diagnostic interfaces in JDK/JVM: JVMTI, heap dumps, etc.
But the same kind of thing is clear from observing that stack trace sample you are showing mentions ThreadStackTrace::dump_stack_at_safepoint
-- that is something that dumps the thread information, for example for jstack
, heap dump, etc. If you have a suspicion for the memory leak in that code, you might try to build a MCVE demonstrating it, and submitting the bug against OpenJDK, or showing it to a fellow OpenJDK developer. You probably know better what your application is doing to cause thread dumps, focus there.
That being said, I don't see any obvious memory leaks in StackFrameInfo
, neither can I reproduce any leak with stress tests, so maybe what you are seeing is "just" thread dumping over the larger and larger thread stacks. Or you capture it when thread dump is happening. Or... It is hard to say without the MCVE.
Update: After playing with MCVE, I realized that it reproduces with 17.0.1, but not with either mainline development JDK, or JDK 18 EA, or JDK 17.0.2 EA. I tested with 17.0.2 EA before, so was not seeing it, dang. Bisection between 17.0.1 and 17.0.2 EA shows it was fixed with JDK-8273902 backport. 17.0.2 releases this week, so the bug should disappear after you upgrade.
QUESTION
I've read the paper An inherently iterative computation of Ackermann's function, published by Grossman & Zeitman in which they present an algorithm which optimizes Ackermann's function.
We know that the Ackermann function produces the result in the subsequences A(m,n)
m=0: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17,...
m=1: 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18,...
m=2: 3, 5, 7, 9, 11, 13, 15, 17, 19, 21, 23, 25, 27, 29, 31, 33,...
m=3: 5, 13, 29, 61, 125, 253, 509, 1021, 2045, 4093, 8189, 16381, 32765, 65533,...
m=4: 13, 65533,...
It's stated that the Next
array is to keep track of where we are in each subsequence, and the Goal
array is to keep track of where we need to reach before transferring the value just calculated to the next subsequence. And all it does is incrementing 1 to the value:
...
ANSWER
Answered 2022-Jan-10 at 17:30I've read over the paper to get a sense of what algorithm they're proposing, and it's actually not that bad when you get the hang of it.
The basic idea is the following. We have a two-argument version of the Ackermann function defined as follows:
- A(0, n) = n + 1
- A(i, 0) = A(i - 1, 1)
- A(i, n) = A(i - 1, A(i, n - 1))
The approach the authors suggest is essentially a space-optimized, bottom-up calculation of the Ackermann function. Rather than give the final version of their algorithm, let's see if we can instead derive it from the above rules. We'll imagine filling in a 2D table where each row corresponds to a different value of i and each column corresponds to a value of n. Following the convention from the paper, we'll place the row for i = 0 on top, like this:
QUESTION
Gems
...ANSWER
Answered 2022-Jan-06 at 11:29First you need to create blob file in case of active storage.
QUESTION
I have an app on Angular 11 that just started getting errors (around an hour ago, without any update or anything) on all browsers, all environments (local / staging / prod) at the same time:
...ANSWER
Answered 2021-Dec-01 at 15:55Solved! After 2 hours, we finally found the culprit: a Hubspot (CRM) script imported in index.html ... (apparently it broke the HTML structure)
We removed the
QUESTION
I see istio is adding x-b3-traceid
, x-b3-spanid
and other headers to the incoming request when tracing is enabled. But none of them are returned to the caller.
I am able to capture the x-b3-traceid
in the log and can find it out in Tempo/Grafana.
I can see the traceid
at the istio envoy proxy (sidecar), I am able to access the header using EnvoyFilter
.
Can someone let me know where it is filtered?
...ANSWER
Answered 2021-Nov-29 at 09:08TL;DR
these are the headers so that jaeger
or zipkin
can track individual requests. This application is responsible for their proper propagation. Additionally, they are request headers and not response header, so everything works fine.
Explanation:
It looks okay. First, let's start with what these requests are:
QUESTION
I'm getting this error after I've updated the packages in my package JSON file.
ANSWER
Answered 2021-Oct-29 at 05:21As discussed in the comments you should update your webpack configuration to handle loading svg files. inside the module.rules
array you should add the following:
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Vulnerabilities
No vulnerabilities reported
Install tracing
Rust is installed and managed by the rustup tool. Rust has a 6-week rapid release process and supports a great number of platforms, so there are many builds of Rust available at any time. Please refer rust-lang.org for more information.
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