More than 70% of people think the Garda Commissioner should resign or step aside, according to a new poll.
37% said she should step aside until the Charlton Inquiry completes its investigation.
The Irish Times Ipsos MRBI survey says 34% of people think Nóirín O'Sullivan should resign now.
Almost half of people - 49% - say their confidence in An Garda Siochana has been affected by the revelations about whistleblower Maurice McCabe.
Anyone with information relevant to the alleged smear campaign against Sergeant Maurice McCabe has been asked to come forward to the Disclosures Tribunal chaired by Mr Justice Peter Charleton by next Monday.
Mr Justice Peter Charleton has called on people who may have information or may be a witness to the tribunal to come forward and submit a written statement to the inquiry.
He said he wants to conclude the inquiry as quickly as possible and get to the truth, and has warned that anyone lying is wasting taxpayers' money.
Opening the tribunal with